Subtract 35/18 from 54/63
1st number: 54/63, 2nd number: 1 17/18
54/63 - 35/18 is -137/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
54/63 = 54 × 2/63 × 2 = 108/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
35/18 = 35 × 7/18 × 7 = 245/126 - Subtract the two like fractions:
108/126 - 245/126 = 108 - 245/126 = -137/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63-70/18 54/63-35/36 54/63-35/54 54/63-35/90