Subtract 27/18 from 9/63
1st number: 9/63, 2nd number: 1 9/18
9/63 - 27/18 is -19/14.
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,
9/63 = 9 × 2/63 × 2 = 18/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
27/18 = 27 × 7/18 × 7 = 189/126 - Subtract the two like fractions:
18/126 - 189/126 = 18 - 189/126 = -171/126 - After reducing the fraction, the answer is -19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-27/18 9/63-54/18 9/63-27/36 27/63-27/18 9/63-81/18 9/63-27/54 45/63-27/18 9/63-27/90