Subtract 75/9 from 5/72
1st number: 5/72, 2nd number: 8 3/9
5/72 - 75/9 is -595/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
5/72 = 5 × 1/72 × 1 = 5/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
75/9 = 75 × 8/9 × 8 = 600/72 - Subtract the two like fractions:
5/72 - 600/72 = 5 - 600/72 = -595/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72-75/9 5/72-75/18 15/72-75/9 5/72-75/27 25/72-75/9 5/72-75/45 35/72-75/9 5/72-75/63