Subtract 15/3 from 7/8
1st number: 7/8, 2nd number: 5 0/3
7/8 - 15/3 is -33/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
7/8 = 7 × 3/8 × 3 = 21/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
15/3 = 15 × 8/3 × 8 = 120/24 - Subtract the two like fractions:
21/24 - 120/24 = 21 - 120/24 = -99/24 - After reducing the fraction, the answer is -33/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8-15/3 7/8-30/3 7/16-15/3 7/8-15/6 21/8-15/3 7/8-45/3 7/24-15/3 7/8-15/9 35/8-15/3 7/8-75/3 7/40-15/3 49/8-15/3 7/56-15/3 7/8-15/21