Subtract 28/8 from 2/15
1st number: 2/15, 2nd number: 3 4/8
2/15 - 28/8 is -101/30.
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,
2/15 = 2 × 8/15 × 8 = 16/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
28/8 = 28 × 15/8 × 15 = 420/120 - Subtract the two like fractions:
16/120 - 420/120 = 16 - 420/120 = -404/120 - After reducing the fraction, the answer is -101/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15-28/8 2/15-56/8 2/30-28/8 2/15-28/16 6/15-28/8 2/15-84/8 2/45-28/8 2/15-28/24 10/15-28/8 2/75-28/8 2/15-28/40 14/15-28/8 2/15-28/56