Subtract 81/5 from 63/6
1st number: 10 3/6, 2nd number: 16 1/5
63/6 - 81/5 is -57/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
63/6 = 63 × 5/6 × 5 = 315/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
81/5 = 81 × 6/5 × 6 = 486/30 - Subtract the two like fractions:
315/30 - 486/30 = 315 - 486/30 = -171/30 - After reducing the fraction, the answer is -57/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-81/5 63/6-81/10 63/18-81/5 63/6-81/15 63/30-81/5 63/6-81/25 63/42-81/5 63/6-81/35