Subtract 45/72 from 14/4
1st number: 3 2/4, 2nd number: 45/72
14/4 - 45/72 is 23/8.
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,
14/4 = 14 × 18/4 × 18 = 252/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Subtract the two like fractions:
252/72 - 45/72 = 252 - 45/72 = 207/72 - After reducing the fraction, the answer is 23/8
- In mixed form: 27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/4-45/72 14/4-90/72 14/8-45/72 42/4-45/72 14/12-45/72 70/4-45/72 14/20-45/72 98/4-45/72 14/28-45/72