Subtract 27/12 from 4/72
1st number: 4/72, 2nd number: 2 3/12
4/72 - 27/12 is -79/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
4/72 = 4 × 1/72 × 1 = 4/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
27/12 = 27 × 6/12 × 6 = 162/72 - Subtract the two like fractions:
4/72 - 162/72 = 4 - 162/72 = -158/72 - After reducing the fraction, the answer is -79/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72-27/12 4/72-54/12 4/72-27/24 12/72-27/12 4/72-81/12 4/72-27/36 20/72-27/12 4/72-27/60 28/72-27/12 4/72-27/84