Fractions
Add 1/4+2/4
3/4
What is an equivalent fraction?
a fraction that is equal to another fraction
Make 3 4/5 into an improper fraction
19/5
What is the name for the top number of a fraction?
Numerator
Do we ever add or subtract like denominators?
NO!
Add 4/11+3/11+2/11
How do you make an equivalent fraction?
Example: 3/4 x 5/5 = 15/20
3/4 and 15/20 are equivalent
Make 15/4 into a mixed number
3 3/4
What is the bottom number of a fraction?
make the mixed numbers into improper fractions.
Add 3/5+2/5. Simplify if needed
1 whole
What is an equivalent fraction for 2/3?
answers will vary
5 2/3
What is a mixed number made up of?
a whole number and a proper fraction
When I add mixed numbers and the fraction becomes improper, what must I do?
For example, 3 2/5 + 2 4/5 = 5 6/5...what do I do with the 6/5?
Make into another mixed number and add that back to the answer.
Subtract 7/8-3/8. Simplify if needed
1/2
Simplify 15/30
1/2
Add 4 2/3 + 4 2/3
8 4/3 which simplifies to 9 1/3
What is an improper fraction?
a fraction where the numerator is bigger than the denominator
How would I set up 17/3 to make a mixed number.
17 "under the roof" and 3 "outside the door"
Subtract 10/11-4/11
6/11
Simplify 24/30
4/5
Subtract 5 2/5 - 2 3/5
14/5 which simplifies to 2 4/5
a fraction where the numerator is smaller than the denominator
Add 3 4/7+ 2 4/7 + 2 3/7
8 4/7