Subtract 6/72 from 7/8
7/8 - 6/72 is 19/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
7/8 = 7 × 9/8 × 9 = 63/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Subtract the two like fractions:
63/72 - 6/72 = 63 - 6/72 = 57/72 - After reducing the fraction, the answer is 19/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8-6/72 7/8-12/72 7/16-6/72 21/8-6/72 7/8-18/72 7/24-6/72 35/8-6/72 7/8-30/72 7/40-6/72 49/8-6/72 7/8-42/72 7/56-6/72