Subtract 60/54 from 15/63
1st number: 15/63, 2nd number: 1 6/54
15/63 - 60/54 is -55/63.
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,
15/63 = 15 × 6/63 × 6 = 90/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
60/54 = 60 × 7/54 × 7 = 420/378 - Subtract the two like fractions:
90/378 - 420/378 = 90 - 420/378 = -330/378 - After reducing the fraction, the answer is -55/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63-60/54 45/63-60/54 75/63-60/54