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
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
5/12 + 4/12
9/12 or 3/4
Subtract the fractions 10/15 - 4/15
2/5
Multiply the fractions:
5/8 x 3/4
15/32
Divide the following fractions:
1/5 divided by 1/4
4/5
Add the fractions:
1/3 + 2/4
10/12 or 5/6
Subtract the fractions 4/2 - 4/3
4/6 or 2/3
Multiply the fractions:
5/32 x 0
0
Divide the following fractions:
3/7 divided by 6/14
1
5/16 + 1/16 + 2/16
8/16 or 1/2
6 4/9 - 5 2/9
1 2/9
Multiply the fractions:
48/75 x 1
48/75
Divide the following fractions:
57/98 divided by 1
57/98