Subtract 63/8 from 40/5
1st number: 8 0/5, 2nd number: 7 7/8
40/5 - 63/8 is 1/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
40/5 = 40 × 8/5 × 8 = 320/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
63/8 = 63 × 5/8 × 5 = 315/40 - Subtract the two like fractions:
320/40 - 315/40 = 320 - 315/40 = 5/40 - After reducing the fraction, the answer is 1/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5-63/8 40/10-63/8 40/5-63/16 40/15-63/8 40/5-63/24 40/25-63/8 40/5-63/40 40/35-63/8 40/5-63/56