Subtract 90/63 from 1/6
1st number: 1/6, 2nd number: 1 27/63
1/6 - 90/63 is -53/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
1/6 = 1 × 21/6 × 21 = 21/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
90/63 = 90 × 2/63 × 2 = 180/126 - Subtract the two like fractions:
21/126 - 180/126 = 21 - 180/126 = -159/126 - After reducing the fraction, the answer is -53/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/6-90/63 1/12-90/63 3/6-90/63 1/18-90/63 5/6-90/63 1/30-90/63 7/6-90/63 1/42-90/63