Subtract 6/32 from 7/72
7/72 - 6/32 is -13/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
7/72 = 7 × 4/72 × 4 = 28/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
6/32 = 6 × 9/32 × 9 = 54/288 - Subtract the two like fractions:
28/288 - 54/288 = 28 - 54/288 = -26/288 - After reducing the fraction, the answer is -13/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72-6/32 7/72-12/32 7/72-6/64 21/72-6/32 7/72-18/32 7/72-6/96 35/72-6/32 7/72-30/32 49/72-6/32 7/72-42/32