Subtract 15/72 from 63/8
1st number: 7 7/8, 2nd number: 15/72
63/8 - 15/72 is 23/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
63/8 = 63 × 9/8 × 9 = 567/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
15/72 = 15 × 1/72 × 1 = 15/72 - Subtract the two like fractions:
567/72 - 15/72 = 567 - 15/72 = 552/72 - After reducing the fraction, the answer is 23/3
- In mixed form: 72/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-30/72 63/16-15/72 63/8-45/72 63/24-15/72 63/8-75/72 63/40-15/72 63/56-15/72