Subtract 5/72 from 8/70
8/70 - 5/72 is 113/2520.
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,
8/70 = 8 × 36/70 × 36 = 288/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
5/72 = 5 × 35/72 × 35 = 175/2520 - Subtract the two like fractions:
288/2520 - 175/2520 = 288 - 175/2520 = 113/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70-5/72 8/70-10/72 24/70-5/72 8/70-15/72 40/70-5/72 8/70-25/72 56/70-5/72 8/70-35/72