Subtract 27/6 from 54/72
1st number: 54/72, 2nd number: 4 3/6
54/72 - 27/6 is -15/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
54/72 = 54 × 1/72 × 1 = 54/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
27/6 = 27 × 12/6 × 12 = 324/72 - Subtract the two like fractions:
54/72 - 324/72 = 54 - 324/72 = -270/72 - After reducing the fraction, the answer is -15/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72-54/6 54/72-27/12 54/72-81/6 54/72-27/18 54/72-27/30 54/72-27/42