Subtract 75/63 from 6/18
1st number: 6/18, 2nd number: 1 12/63
6/18 - 75/63 is -6/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
6/18 = 6 × 7/18 × 7 = 42/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
75/63 = 75 × 2/63 × 2 = 150/126 - Subtract the two like fractions:
42/126 - 150/126 = 42 - 150/126 = -108/126 - After reducing the fraction, the answer is -6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18-75/63 6/36-75/63 6/54-75/63 30/18-75/63 6/90-75/63 42/18-75/63