Subtract 63/8 from 36/10
1st number: 3 6/10, 2nd number: 7 7/8
36/10 - 63/8 is -171/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
36/10 = 36 × 4/10 × 4 = 144/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
63/8 = 63 × 5/8 × 5 = 315/40 - Subtract the two like fractions:
144/40 - 315/40 = 144 - 315/40 = -171/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10-63/8 36/20-63/8 36/10-63/16 36/30-63/8 36/10-63/24 36/50-63/8 36/10-63/40 36/70-63/8 36/10-63/56