Subtract 18/8 from 4/15
1st number: 4/15, 2nd number: 2 2/8
4/15 - 18/8 is -119/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
4/15 = 4 × 8/15 × 8 = 32/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
18/8 = 18 × 15/8 × 15 = 270/120 - Subtract the two like fractions:
32/120 - 270/120 = 32 - 270/120 = -238/120 - After reducing the fraction, the answer is -119/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15-18/8 4/15-36/8 4/30-18/8 4/15-18/16 12/15-18/8 4/15-54/8 4/45-18/8 4/15-18/24 20/15-18/8 4/15-90/8 4/75-18/8 4/15-18/40 28/15-18/8 4/15-18/56