Subtract 42/56 from 14/15
14/15 - 42/56 is 11/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
14/15 = 14 × 56/15 × 56 = 784/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Subtract the two like fractions:
784/840 - 630/840 = 784 - 630/840 = 154/840 - After reducing the fraction, the answer is 11/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15-42/56 14/15-84/56 14/30-42/56 42/15-42/56 14/45-42/56 70/15-42/56 14/75-42/56 98/15-42/56