Subtract 5/4 from 2/72
1st number: 2/72, 2nd number: 1 1/4
2/72 - 5/4 is -11/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 4 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Likewise, for the 2nd fraction, since 4 × 18 = 72,
5/4 = 5 × 18/4 × 18 = 90/72 - Subtract the two like fractions:
2/72 - 90/72 = 2 - 90/72 = -88/72 - After reducing the fraction, the answer is -11/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/72-5/4 2/72-10/4 2/72-5/8 6/72-5/4 2/72-15/4 2/72-5/12 10/72-5/4 2/72-25/4 2/72-5/20 14/72-5/4 2/72-35/4 2/72-5/28