Subtract 6/84 from 49/15, Solve 3 4/15

Subtract 6/84 from 49/15

1^st number: 3 4/15, 2^nd number: 6/84

49/15 - 6/84 is 671/210.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 15 × 28 = 420,
49/15 = 49 × 28/15 × 28 = 1372/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420
Subtract the two like fractions:
1372/420 - 30/420 = 1372 - 30/420 = 1342/420
After reducing the fraction, the answer is 671/210
In mixed form: 341/210

MathStep (Works offline)

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