Subtract 15/10 from 4/49, Solve 4/49

Subtract 15/10 from 4/49

1^st number: 4/49, 2^nd number: 1 5/10

4/49 - 15/10 is -139/98.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 49 × 10 = 490,
4/49 = 4 × 10/49 × 10 = 40/490
Likewise, for the 2nd fraction, since 10 × 49 = 490,
15/10 = 15 × 49/10 × 49 = 735/490
Subtract the two like fractions:
40/490 - 735/490 = 40 - 735/490 = -695/490
After reducing the fraction, the answer is -139/98

MathStep (Works offline)

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