Subtracting/Adding Fractions
What is the first step in adding/subtracting fractions
Determine the LCD
Ahmed bought 4 1/8 pounds of ground beef at the grocery store. He used 2 1/2 pounds of ground beef to make hamburgers.
How many pounds of ground beef does Ahmed have left?
13/8
Jason divided 5 pints of juice into 8 glasses equally. Which division statement shows the amount of juice, in pints, in each glass?
5/8
Missy bought new laces for her tennis shoes. Each lace is 15 1/8 inches long. About what is the length of the laces for both shoes?
30 inches
What is a numerator
The top number in the fraction
Nina wants to solve the equation shown below.
6 5/6−3 3/4=?
She wants to change the fractions to equal fractions with the lowest common denominator. Which denominator should Nina use to solve the equation above?
12
Luke’s baby sister weighed 7 1/4 pounds when she was born. She has gained 2 3/8 pounds since then. How much does Luke’s baby sister weigh now?
9 5/8
Kenny must divide 8 oranges among his 5 nieces. Each niece receives the same amount, and there are no oranges left over.
How many oranges did each niece receive?
1 3/5
1/2+ 2/6
will the answer be between 0 and 1 or 1and 2
0 and 1
What is a denominator
The bottom number in a fraction
17/20-1/5
13/20
Kim wants to solve the equation 5 3/8+2 2/3=x . How should Kim rewrite the sum in order to solve for x?
5 9/24+ 2 16/24
Julia is an art teacher, and she has 3 pounds of clay. She decides to divide the clay into 7 equal sized balls.
Which equation shows how to find the weight, in pounds, of each ball?
3/7
There were 6 cups of milk left in the gallon container in Mike's refrigerator.
What is the closest estimate of how much milk is now left in the gallon container?
3 cups
What is a mixed number
A number made up of a whole number and a fraction.
6/5 + 1/12
29/60
Nathan had 1 cup of sugar. He used 1/5 of a cup of sugar to make a pie. He used 2/3 of a cup of sugar to make a pitcher of fruit punch.
How much sugar is left?
2 STEP PROBLEM
2/15
Mrs. Abbott has 15 pounds of fruit salad. She wants to put the fruit salad into 6 equal-sized bowls.
What is the amount of fruit salad, in pounds, in each of the 6 bowls?
15/6
2 3/6
2 1/2
5/2
On her 3 most recent phone calls, Amanda spent 10 12/15 minutes, 15 3/8 minutes, and 12 7/12 minutes.
Which expression shows proper rounding to estimate the total time of Amanda's 3 phone calls?
11+15+13= 39 minutes
What does Simplify mean
To rewrite a fraction in its simplest form or lowest terms.
3 4/5- 1 9/10
1 9/10
Mrs. Glover set a goal to lose weight.
How many pounds did Mrs. Glover hope to lose when she made her goal?
5 5/12
There are 92 band students. For a concert, the stage is divided into four sections. 24 students sit on the left, 36 sit in the middle, 28 sit on the right, and 4 stand behind the others.
1/23
A truck driver was 18 1/5 miles into his trip when he realized there were no gas stations for the next 100 miles. He turned around and went back to the gas station 3 3/4 miles back.
Which distance is a reasonable estimate of how far the gas station is from the truck driver's starting point?
14 miles
What is a unit Fraction?
A fraction with a numerator of 1.