Subtract 54/63 from 15/6
1st number: 2 3/6, 2nd number: 54/63
15/6 - 54/63 is 23/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
15/6 = 15 × 21/6 × 21 = 315/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
54/63 = 54 × 2/63 × 2 = 108/126 - Subtract the two like fractions:
315/126 - 108/126 = 315 - 108/126 = 207/126 - After reducing the fraction, the answer is 23/14
- In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6-54/63 15/12-54/63 45/6-54/63 15/18-54/63 75/6-54/63 15/30-54/63 15/42-54/63