Subtract 2/72 from 5/4
1st number: 1 1/4, 2nd number: 2/72
5/4 - 2/72 is 11/9.
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,
5/4 = 5 × 18/4 × 18 = 90/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Subtract the two like fractions:
90/72 - 2/72 = 90 - 2/72 = 88/72 - After reducing the fraction, the answer is 11/9
- In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4-2/72 5/4-4/72 5/8-2/72 15/4-2/72 5/4-6/72 5/12-2/72 25/4-2/72 5/4-10/72 5/20-2/72 35/4-2/72 5/4-14/72 5/28-2/72