Subtract 81/50 from 2/12
1st number: 2/12, 2nd number: 1 31/50
2/12 - 81/50 is -109/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 50 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
2/12 = 2 × 25/12 × 25 = 50/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
81/50 = 81 × 6/50 × 6 = 486/300 - Subtract the two like fractions:
50/300 - 486/300 = 50 - 486/300 = -436/300 - After reducing the fraction, the answer is -109/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-81/50 2/24-81/50 6/12-81/50 2/36-81/50 10/12-81/50 2/60-81/50 14/12-81/50 2/84-81/50