Subtract 15/5 from 63/8
1st number: 7 7/8, 2nd number: 3 0/5
63/8 - 15/5 is 39/8.
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,
15/5 = 15 × 8/5 × 8 = 120/40 - Subtract the two like fractions:
315/40 - 120/40 = 315 - 120/40 = 195/40 - After reducing the fraction, the answer is 39/8
- In mixed form: 47/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-30/5 63/16-15/5 63/8-15/10 63/8-45/5 63/24-15/5 63/8-75/5 63/40-15/5 63/8-15/25 63/56-15/5 63/8-15/35