Subtract 4/72 from 60/70
60/70 - 4/72 is 101/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
60/70 = 60 × 36/70 × 36 = 2160/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
4/72 = 4 × 35/72 × 35 = 140/2520 - Subtract the two like fractions:
2160/2520 - 140/2520 = 2160 - 140/2520 = 2020/2520 - After reducing the fraction, the answer is 101/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70-8/72 60/70-12/72 60/70-20/72 60/70-28/72