Adding Fractions
How do you add fractions with the same denominator?
Just add the numerators
How do you subtract fractions with the same denominator?
You just subtract the numerators and leave the denominator
How do you multiply the fractions?
Multiply the numerators straight across and then multiply the denominators straight across?
How do you divide fractions?
Take the reciprocal of the second fractions and multiply it by the first
Turn to a mixed number:
7/2
3 1/2
3/9 + 2/9
5/9
Subtract the fractions 3/5 - 1/5
2/5
Multiply the following:
1/2 x 1/2
1/4
Write the reciprocal of:
18/27
27/18
Turn to a mixed number:
13/4
3 1/4
1/2 + 1/3
5/6
Subtract the fractions 1/3- 1/4
1/12
Multiply the fractions:
5/8 x 3/4
15/32
Divide the following fractions:
1/5 divided by 1/4
4/5
Turn to an improper fraction:
5 2/5
27/5
Add the fractions:
1/3 + 2/4
10/12 or 5/6
Subtract the fractions 2/3 - 2/4
2/12 (the same as 1/6)
Multiply the fractions:
5/32 x 0
0
Divide the following fractions:
3/7 divided by 6/14
1
Turn to an improper fraction:
5 1/2
11/2
4/16 + 5/16 + 7/16
16/16 or 1
6 5/9 - 5 2/9
1 3/9
Multiply the fractions:
48/75 x 1
48/75
Divide the following fractions:
57/98 divided by 1
57/98
Turn to a mixed number:
66/7
9 3/7