Subtract 4/72 from 6/15
6/15 - 4/72 is 31/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
6/15 = 6 × 24/15 × 24 = 144/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Subtract the two like fractions:
144/360 - 20/360 = 144 - 20/360 = 124/360 - After reducing the fraction, the answer is 31/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15-4/72 6/15-8/72 6/30-4/72 18/15-4/72 6/15-12/72 6/45-4/72 30/15-4/72 6/15-20/72 6/75-4/72 42/15-4/72 6/15-28/72