Subtract 16/18 from 56/49, Solve 1 7/49

Subtract 16/18 from 56/49

1^st number: 1 7/49, 2^nd number: 16/18

56/49 - 16/18 is 16/63.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 49 × 18 = 882,
56/49 = 56 × 18/49 × 18 = 1008/882
Likewise, for the 2nd fraction, since 18 × 49 = 882,
16/18 = 16 × 49/18 × 49 = 784/882
Subtract the two like fractions:
1008/882 - 784/882 = 1008 - 784/882 = 224/882
After reducing the fraction, the answer is 16/63

MathStep (Works offline)

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