Subtract 6/27 from 72/49, Solve 1 23/49

Subtract 6/27 from 72/49

1^st number: 1 23/49, 2^nd number: 6/27

72/49 - 6/27 is 550/441.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 27 is 1323

Next, find the equivalent fraction of both fractional numbers with denominator 1323
For the 1st fraction, since 49 × 27 = 1323,
72/49 = 72 × 27/49 × 27 = 1944/1323
Likewise, for the 2nd fraction, since 27 × 49 = 1323,
6/27 = 6 × 49/27 × 49 = 294/1323
Subtract the two like fractions:
1944/1323 - 294/1323 = 1944 - 294/1323 = 1650/1323
After reducing the fraction, the answer is 550/441
In mixed form: 1109/441

MathStep (Works offline)

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