Subtract 27/54 from 60/63
60/63 - 27/54 is 19/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 63 × 6 = 378,
60/63 = 60 × 6/63 × 6 = 360/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
27/54 = 27 × 7/54 × 7 = 189/378 - Subtract the two like fractions:
360/378 - 189/378 = 360 - 189/378 = 171/378 - After reducing the fraction, the answer is 19/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63-81/54