fractions 1
how do you set up adding and subtracting fractions?
look for LCD
you have to look for the LCD when multiplying or dividing fractions
true or false
false
what is 2/4 x 3/5
6/20 = 3/10
9/12 divided by 2/3 simplified
1 3/24 = 1 1/8
78 54/75 - 6 116/150
71 142/150
what is the 1st step to adding or subtracting fractions (if needed)
look for the LCD
Can you divide fractions...if not what do you do?
NOOOOOO....you multiply by the reciprocal
3/4 divided by 1/5
3 3/4
9/10 x 2/5 simplified
9/25
3 12/20 - 2 3/6
1 6/60 = 1 1/10
Do adding and subtracting fractions have the same steps?(besides subtracting and adding the fraction) true or false
true
You need to use find the reciprocal to multiply
true or false
false
what is 6/8 - 1/2
2/8 = 1/4
5/6 x 9/5 simplified
1 1/2
2/3 divided by 3/9
2
what happens when subtracting fraction is smaller than the 1st fraction you're subtracting BUT whole number is bigger?
Rename by making improper
what do you do when you have an answer for division problem and you have a bigger numerator than the denominator?
turn it into a mixed number
4/12 - 1/4
1/12
5 9/12 + 4/6
6 1/12
17/20 x 6/8
51/80
what happens when you add a fraction and the numerator is bigger than the denominator
turn it into a mixed number
what is THE MOST IMPORTANT step when dividing fractions
YOU DONT....Multiply by the reciprocal!!
1/4 x 3/8
3/32
3 12/36 - 5/12 simplified
2 1/12
11/2 X 5/10
4 15/20 = 4 3/4