Subtract 64/54 from 27/15
1st number: 1 12/15, 2nd number: 1 10/54
27/15 - 64/54 is 83/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
27/15 = 27 × 18/15 × 18 = 486/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
64/54 = 64 × 5/54 × 5 = 320/270 - Subtract the two like fractions:
486/270 - 320/270 = 486 - 320/270 = 166/270 - After reducing the fraction, the answer is 83/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-64/54 27/30-64/54 81/15-64/54 27/45-64/54 27/75-64/54