Subtract 4/15 from 12/8
1st number: 1 4/8, 2nd number: 4/15
12/8 - 4/15 is 37/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
12/8 = 12 × 15/8 × 15 = 180/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
4/15 = 4 × 8/15 × 8 = 32/120 - Subtract the two like fractions:
180/120 - 32/120 = 180 - 32/120 = 148/120 - After reducing the fraction, the answer is 37/30
- In mixed form: 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8-4/15 12/8-8/15 12/16-4/15 12/8-4/30 36/8-4/15 12/8-12/15 12/24-4/15 12/8-4/45 60/8-4/15 12/8-20/15 12/40-4/15 12/8-4/75 84/8-4/15 12/8-28/15 12/56-4/15