Subtract 28/10 from 70/32, Solve 2 6/32

Subtract 28/10 from 70/32

1^st number: 2 6/32, 2^nd number: 2 8/10

70/32 - 28/10 is -49/80.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 10 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 32 × 5 = 160,
70/32 = 70 × 5/32 × 5 = 350/160
Likewise, for the 2nd fraction, since 10 × 16 = 160,
28/10 = 28 × 16/10 × 16 = 448/160
Subtract the two like fractions:
350/160 - 448/160 = 350 - 448/160 = -98/160
After reducing the fraction, the answer is -49/80

MathStep (Works offline)

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