Subtract 15/63 from 48/14, Solve 3 6/14

Subtract 15/63 from 48/14

1^st number: 3 6/14, 2^nd number: 15/63

48/14 - 15/63 is 67/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
48/14 = 48 × 9/14 × 9 = 432/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126
Subtract the two like fractions:
432/126 - 30/126 = 432 - 30/126 = 402/126
After reducing the fraction, the answer is 67/21
In mixed form: 34/21

MathStep (Works offline)

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