Subtract 25/72 from 7/15
7/15 - 25/72 is 43/360.
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,
25/72 = 25 × 5/72 × 5 = 125/360 - Subtract the two like fractions:
168/360 - 125/360 = 168 - 125/360 = 43/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15-25/72 7/15-50/72 7/30-25/72 21/15-25/72 7/15-75/72 7/45-25/72 35/15-25/72 7/75-25/72 49/15-25/72