Subtract 54/63 from 7/6
1st number: 1 1/6, 2nd number: 54/63
7/6 - 54/63 is 13/42.
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,
7/6 = 7 × 21/6 × 21 = 147/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
54/63 = 54 × 2/63 × 2 = 108/126 - Subtract the two like fractions:
147/126 - 108/126 = 147 - 108/126 = 39/126 - After reducing the fraction, the answer is 13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/6-54/63 7/12-54/63 21/6-54/63 7/18-54/63 35/6-54/63 7/30-54/63 49/6-54/63 7/42-54/63