Subtract 42/10 from 14/56, Solve 14/56

Subtract 42/10 from 14/56

1^st number: 14/56, 2^nd number: 4 2/10

14/56 - 42/10 is -79/20.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 10 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 56 × 5 = 280,
14/56 = 14 × 5/56 × 5 = 70/280
Likewise, for the 2nd fraction, since 10 × 28 = 280,
42/10 = 42 × 28/10 × 28 = 1176/280
Subtract the two like fractions:
70/280 - 1176/280 = 70 - 1176/280 = -1106/280
After reducing the fraction, the answer is -79/20

MathStep (Works offline)

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