Subtract 49/70 from 2/9, Solve 2/9

Subtract 49/70 from 2/9

2/9 - 49/70 is -43/90.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
2/9 = 2 × 70/9 × 70 = 140/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
49/70 = 49 × 9/70 × 9 = 441/630
Subtract the two like fractions:
140/630 - 441/630 = 140 - 441/630 = -301/630
After reducing the fraction, the answer is -43/90

MathStep (Works offline)

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