Subtract 50/7 from 15/12
1st number: 1 3/12, 2nd number: 7 1/7
15/12 - 50/7 is -165/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
15/12 = 15 × 7/12 × 7 = 105/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
50/7 = 50 × 12/7 × 12 = 600/84 - Subtract the two like fractions:
105/84 - 600/84 = 105 - 600/84 = -495/84 - After reducing the fraction, the answer is -165/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12-50/7 15/24-50/7 15/12-50/14 45/12-50/7 15/36-50/7 15/12-50/21 75/12-50/7 15/60-50/7 15/12-50/35 15/84-50/7 15/12-50/49