Subtract 27/6 from 18/63
1st number: 18/63, 2nd number: 4 3/6
18/63 - 27/6 is -59/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
18/63 = 18 × 2/63 × 2 = 36/126 - Likewise, for the 2nd fraction, since 6 × 21 = 126,
27/6 = 27 × 21/6 × 21 = 567/126 - Subtract the two like fractions:
36/126 - 567/126 = 36 - 567/126 = -531/126 - After reducing the fraction, the answer is -59/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63-27/6 18/63-54/6 18/63-27/12 54/63-27/6 18/63-81/6 18/63-27/18 90/63-27/6 18/63-27/30 18/63-27/42