Subtract 9/27 from 3/49, Solve 3/49

Subtract 9/27 from 3/49

3/49 - 9/27 is -40/147.

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,
3/49 = 3 × 27/49 × 27 = 81/1323
Likewise, for the 2nd fraction, since 27 × 49 = 1323,
9/27 = 9 × 49/27 × 49 = 441/1323
Subtract the two like fractions:
81/1323 - 441/1323 = 81 - 441/1323 = -360/1323
After reducing the fraction, the answer is -40/147

MathStep (Works offline)

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