Subtract 14/72 from 15/4
1st number: 3 3/4, 2nd number: 14/72
15/4 - 14/72 is 32/9.
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,
15/4 = 15 × 18/4 × 18 = 270/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
14/72 = 14 × 1/72 × 1 = 14/72 - Subtract the two like fractions:
270/72 - 14/72 = 270 - 14/72 = 256/72 - After reducing the fraction, the answer is 32/9
- In mixed form: 35/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-14/72 15/4-28/72 15/8-14/72 45/4-14/72 15/4-42/72 15/12-14/72 75/4-14/72 15/4-70/72 15/20-14/72 15/4-98/72 15/28-14/72