Subtract 60/56 from 72/70
1st number: 1 2/70, 2nd number: 1 4/56
72/70 - 60/56 is -3/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
72/70 = 72 × 4/70 × 4 = 288/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
60/56 = 60 × 5/56 × 5 = 300/280 - Subtract the two like fractions:
288/280 - 300/280 = 288 - 300/280 = -12/280 - After reducing the fraction, the answer is -3/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: