Subtract 50/72 from 7/15
7/15 - 50/72 is -41/180.
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,
7/15 = 7 × 24/15 × 24 = 168/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
50/72 = 50 × 5/72 × 5 = 250/360 - Subtract the two like fractions:
168/360 - 250/360 = 168 - 250/360 = -82/360 - After reducing the fraction, the answer is -41/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15-50/72 7/30-50/72 21/15-50/72 7/45-50/72 35/15-50/72 7/75-50/72 49/15-50/72