Subtract 15/8 from 28/48
1st number: 28/48, 2nd number: 1 7/8
28/48 - 15/8 is -31/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 8 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
28/48 = 28 × 1/48 × 1 = 28/48 - Likewise, for the 2nd fraction, since 8 × 6 = 48,
15/8 = 15 × 6/8 × 6 = 90/48 - Subtract the two like fractions:
28/48 - 90/48 = 28 - 90/48 = -62/48 - After reducing the fraction, the answer is -31/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48-15/8 28/48-30/8 28/96-15/8 28/48-15/16 84/48-15/8 28/48-45/8 28/48-15/24 28/48-75/8 28/48-15/40 28/48-15/56