Subtract 9/49 from 24/8, Solve 3 0/8

Subtract 9/49 from 24/8

1^st number: 3 0/8, 2^nd number: 9/49

24/8 - 9/49 is 138/49.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 8 × 49 = 392,
24/8 = 24 × 49/8 × 49 = 1176/392
Likewise, for the 2nd fraction, since 49 × 8 = 392,
9/49 = 9 × 8/49 × 8 = 72/392
Subtract the two like fractions:
1176/392 - 72/392 = 1176 - 72/392 = 1104/392
After reducing the fraction, the answer is 138/49
In mixed form: 240/49

MathStep (Works offline)

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