Subtract 2/5 from 63/8
1st number: 7 7/8, 2nd number: 2/5
63/8 - 2/5 is 299/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
63/8 = 63 × 5/8 × 5 = 315/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
2/5 = 2 × 8/5 × 8 = 16/40 - Subtract the two like fractions:
315/40 - 16/40 = 315 - 16/40 = 299/40 - In mixed form: 719/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-4/5 63/16-2/5 63/8-2/10 63/8-6/5 63/24-2/5 63/8-2/15 63/8-10/5 63/40-2/5 63/8-2/25 63/8-14/5 63/56-2/5 63/8-2/35