Subtract 50/15 from 12/8
1st number: 1 4/8, 2nd number: 3 5/15
12/8 - 50/15 is -11/6.
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,
50/15 = 50 × 8/15 × 8 = 400/120 - Subtract the two like fractions:
180/120 - 400/120 = 180 - 400/120 = -220/120 - After reducing the fraction, the answer is -11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8-50/15 12/16-50/15 12/8-50/30 36/8-50/15 12/24-50/15 12/8-50/45 60/8-50/15 12/40-50/15 12/8-50/75 84/8-50/15 12/56-50/15