Subtract 18/72 from 56/4
1st number: 14 0/4, 2nd number: 18/72
56/4 - 18/72 is 55/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
56/4 = 56 × 18/4 × 18 = 1008/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Subtract the two like fractions:
1008/72 - 18/72 = 1008 - 18/72 = 990/72 - After reducing the fraction, the answer is 55/4
- In mixed form: 133/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4-36/72 56/8-18/72 56/4-54/72 56/12-18/72 56/4-90/72 56/20-18/72 56/28-18/72