Subtract 30/54 from 63/49, Solve 1 14/49

Subtract 30/54 from 63/49

1^st number: 1 14/49, 2^nd number: 30/54

63/49 - 30/54 is 46/63.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 54 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 49 × 54 = 2646,
63/49 = 63 × 54/49 × 54 = 3402/2646
Likewise, for the 2nd fraction, since 54 × 49 = 2646,
30/54 = 30 × 49/54 × 49 = 1470/2646
Subtract the two like fractions:
3402/2646 - 1470/2646 = 3402 - 1470/2646 = 1932/2646
After reducing the fraction, the answer is 46/63

MathStep (Works offline)

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