Subtract 27/49 from 63/54, Solve 1 9/54

Subtract 27/49 from 63/54

1^st number: 1 9/54, 2^nd number: 27/49

63/54 - 27/49 is 181/294.

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

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 54 × 49 = 2646,
63/54 = 63 × 49/54 × 49 = 3087/2646
Likewise, for the 2nd fraction, since 49 × 54 = 2646,
27/49 = 27 × 54/49 × 54 = 1458/2646
Subtract the two like fractions:
3087/2646 - 1458/2646 = 3087 - 1458/2646 = 1629/2646
After reducing the fraction, the answer is 181/294

MathStep (Works offline)

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