Subtract 10/14 from 60/90, Solve 60/90

Subtract 10/14 from 60/90

60/90 - 10/14 is -1/21.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
60/90 = 60 × 7/90 × 7 = 420/630
Likewise, for the 2nd fraction, since 14 × 45 = 630,
10/14 = 10 × 45/14 × 45 = 450/630
Subtract the two like fractions:
420/630 - 450/630 = 420 - 450/630 = -30/630
After reducing the fraction, the answer is -1/21

MathStep (Works offline)

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