Subtract 24/72 from 80/35, Solve 2 10/35

Subtract 24/72 from 80/35

1^st number: 2 10/35, 2^nd number: 24/72

80/35 - 24/72 is 41/21.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 35 × 72 = 2520,
80/35 = 80 × 72/35 × 72 = 5760/2520
Likewise, for the 2nd fraction, since 72 × 35 = 2520,
24/72 = 24 × 35/72 × 35 = 840/2520
Subtract the two like fractions:
5760/2520 - 840/2520 = 5760 - 840/2520 = 4920/2520
After reducing the fraction, the answer is 41/21
In mixed form: 120/21

MathStep (Works offline)

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