Subtract 5/72 from 27/9
1st number: 3 0/9, 2nd number: 5/72
27/9 - 5/72 is 211/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
27/9 = 27 × 8/9 × 8 = 216/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
5/72 = 5 × 1/72 × 1 = 5/72 - Subtract the two like fractions:
216/72 - 5/72 = 216 - 5/72 = 211/72 - In mixed form: 267/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9-5/72 27/9-10/72 27/18-5/72 81/9-5/72 27/9-15/72 27/9-25/72 27/45-5/72 27/9-35/72 27/63-5/72