Subtract 7/27 from 8/72
8/72 - 7/27 is -4/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
8/72 = 8 × 3/72 × 3 = 24/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
7/27 = 7 × 8/27 × 8 = 56/216 - Subtract the two like fractions:
24/216 - 56/216 = 24 - 56/216 = -32/216 - After reducing the fraction, the answer is -4/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72-7/27 8/72-14/27 8/72-7/54 24/72-7/27 8/72-21/27 8/72-7/81 40/72-7/27 8/72-35/27 56/72-7/27 8/72-49/27