Subtract 2/7 from 30/24, Solve 1 6/24

Subtract 2/7 from 30/24

1^st number: 1 6/24, 2^nd number: 2/7

30/24 - 2/7 is 27/28.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168
Likewise, for the 2nd fraction, since 7 × 24 = 168,
2/7 = 2 × 24/7 × 24 = 48/168
Subtract the two like fractions:
210/168 - 48/168 = 210 - 48/168 = 162/168
After reducing the fraction, the answer is 27/28

MathStep (Works offline)

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