Fraction multiplication
What is the process for when you multiply fractions?
You multiply the numerator by the numerator and the denominator by the denominator.
Cross multiply.
What is the process for when you divide fractions?
You find the reciprocal (the flipped fraction) of the second fraction in the equation. Then, you multiply straight across.
What has to be the same in order for you to add fractions?
What has to be the same in order for you to subtract fractions?
The denominator
What is 3/2 as a mixed number?
1 and 1/2
2/7 x 3/4 =
6/28 or 3/14
2/5 ÷ 3/7 =
14/15
2/5 + 2/10 =
6/10 or 3/5
3/4 - 1/2 =
1/4
What is 4 and 1/2 as an improper fraction?
9/2
4/5 x 6/8 =
24/40 or 3/5
3/4 ÷ 5/6
18/20 or 9/10
2/10 + 3/15 =
12/30 or 2/5
7/10 - 2/5 =
What is 31/14 as a mixed number?
2 and 3/14
2/3 x 7/9 =
14/27
7/8 ÷ 6/7 =
49/48 or 1 and 1/48
4/9 + 3/6 =
17/18
9/11 - 2/3 =
5/33
What is 65/9 as a mixed number?
7 and 2/9
1 and 2/3 x 2 and 1/4 =
45/12 or 3 and 9/12
15/4 or 3 and 3/4
3/2 ÷ 7/10
30/14 or 2 and 2/14
4/11 + 5/22 =
13/22
12/17 - 2/4 =
14/68 or 7/34
What is 7 and 11/12 as an improper fraction?
95/12