Subtract 15/12 from 4/8
1st number: 4/8, 2nd number: 1 3/12
4/8 - 15/12 is -3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
4/8 = 4 × 3/8 × 3 = 12/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
15/12 = 15 × 2/12 × 2 = 30/24 - Subtract the two like fractions:
12/24 - 30/24 = 12 - 30/24 = -18/24 - After reducing the fraction, the answer is -3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8-30/12 4/16-15/12 4/8-15/24 12/8-15/12 4/8-45/12 4/24-15/12 4/8-15/36 20/8-15/12 4/8-75/12 4/40-15/12 4/8-15/60 28/8-15/12 4/56-15/12 4/8-15/84