Subtract 72/9 from 63/4
1st number: 15 3/4, 2nd number: 8 0/9
63/4 - 72/9 is 31/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
63/4 = 63 × 9/4 × 9 = 567/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
72/9 = 72 × 4/9 × 4 = 288/36 - Subtract the two like fractions:
567/36 - 288/36 = 567 - 288/36 = 279/36 - After reducing the fraction, the answer is 31/4
- In mixed form: 73/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-72/9 63/4-72/18 63/12-72/9 63/4-72/27 63/20-72/9 63/4-72/45 63/28-72/9 63/4-72/63