Subtract 7/15 from 5/8
5/8 - 7/15 is 19/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
5/8 = 5 × 15/8 × 15 = 75/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
7/15 = 7 × 8/15 × 8 = 56/120 - Subtract the two like fractions:
75/120 - 56/120 = 75 - 56/120 = 19/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/8-7/15 5/8-14/15 5/16-7/15 5/8-7/30 15/8-7/15 5/8-21/15 5/24-7/15 5/8-7/45 25/8-7/15 5/8-35/15 5/40-7/15 5/8-7/75 35/8-7/15 5/8-49/15 5/56-7/15