Subtract 56/49 from 6/9, Solve 6/9 - 1 7/49 as a fraction

Subtract 56/49 from 6/9

1^st number: 6/9, 2^nd number: 1 7/49

6/9 - 56/49 is -10/21.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 9 × 49 = 441,
6/9 = 6 × 49/9 × 49 = 294/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
56/49 = 56 × 9/49 × 9 = 504/441
Subtract the two like fractions:
294/441 - 504/441 = 294 - 504/441 = -210/441
After reducing the fraction, the answer is -10/21

MathStep (Works offline)

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