Subtract 45/4 from 72/3
1st number: 24 0/3, 2nd number: 11 1/4
72/3 - 45/4 is 51/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
72/3 = 72 × 4/3 × 4 = 288/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
45/4 = 45 × 3/4 × 3 = 135/12 - Subtract the two like fractions:
288/12 - 135/12 = 288 - 135/12 = 153/12 - After reducing the fraction, the answer is 51/4
- In mixed form: 123/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/3-90/4 72/6-45/4 72/3-45/8 72/9-45/4 72/3-45/12 72/15-45/4 72/3-45/20 72/21-45/4 72/3-45/28