Add/Subtract Fractions
3/4 + 1/3
1 1/12
17/8
2 1/8
6/10 __________ 5/6
<
2 2/4 + 3/6
3
What is the top number of fraction called?
The Numerator
1/3 - 1/4
1/12
2 4/7
18/7
12/15 ________2/5
>
1 3/8 - 1/2
7/8
What does an improper fraction look like?
The numerator is larger than the denominator.
5/6 + 1/2
1 1/3
24/7
3 3/7
3/4 _______________9/12
4 - 2 5/7
1 2/7
Why is it best to find the least common denominator?
It will save you work at the end. You'll have to reduce or simplify less.
2/3 - 1/7
11/21
6 4/5
34/5
3 3/4 _____________3 2/3
>
4 2/3 + 1 2/5
6 1/15
How do you convert a mixed number into an improper fraction?
Multiply the denominator with the whole number. Add the numerator. That will be your new numerator and the denominator will stay the same.
3/6 + 1/12 + 2/8
5/6
72 2/3
218/3
60 6/8_____________60 18/24
=
86 2/9 - 85 3/8
61/72
Why are fractions and decimals the same thing?
Both fractions and decimals are part of a whole thing or a whole set.