Subtract 1/9 from 27/72
27/72 - 1/9 is 19/72.
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,
27/72 = 27 × 1/72 × 1 = 27/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
1/9 = 1 × 8/9 × 8 = 8/72 - Subtract the two like fractions:
27/72 - 8/72 = 27 - 8/72 = 19/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72-1/9 27/72-2/9 27/72-1/18 81/72-1/9 27/72-3/9 27/72-1/27 27/72-5/9 27/72-1/45 27/72-7/9 27/72-1/63