Subtract 6/70 from 5/72
5/72 - 6/70 is -41/2520.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
5/72 = 5 × 35/72 × 35 = 175/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
6/70 = 6 × 36/70 × 36 = 216/2520 - Subtract the two like fractions:
175/2520 - 216/2520 = 175 - 216/2520 = -41/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72-6/70 5/72-12/70 15/72-6/70 5/72-18/70 25/72-6/70 5/72-30/70 35/72-6/70 5/72-42/70