Subtract 60/20 from 70/56
1st number: 1 14/56, 2nd number: 3 0/20
70/56 - 60/20 is -7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
70/56 = 70 × 5/56 × 5 = 350/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
60/20 = 60 × 14/20 × 14 = 840/280 - Subtract the two like fractions:
350/280 - 840/280 = 350 - 840/280 = -490/280 - After reducing the fraction, the answer is -7/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56-60/40