Subtract 3/18 from 1/63
1/63 - 3/18 is -19/126.
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,
1/63 = 1 × 2/63 × 2 = 2/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Subtract the two like fractions:
2/126 - 21/126 = 2 - 21/126 = -19/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63-3/18 1/63-6/18 1/63-3/36 3/63-3/18 1/63-9/18 1/63-3/54 5/63-3/18 1/63-15/18 1/63-3/90 7/63-3/18 1/63-21/18