Subtract 70/32 from 36/5, Solve 7 1/5

Subtract 70/32 from 36/5

1^st number: 7 1/5, 2^nd number: 2 6/32

36/5 - 70/32 is 401/80.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 32 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 5 × 32 = 160,
36/5 = 36 × 32/5 × 32 = 1152/160
Likewise, for the 2nd fraction, since 32 × 5 = 160,
70/32 = 70 × 5/32 × 5 = 350/160
Subtract the two like fractions:
1152/160 - 350/160 = 1152 - 350/160 = 802/160
After reducing the fraction, the answer is 401/80
In mixed form: 51/80

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad