Subtract 90/63 from 3/14
1st number: 3/14, 2nd number: 1 27/63
3/14 - 90/63 is -17/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
3/14 = 3 × 9/14 × 9 = 27/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
90/63 = 90 × 2/63 × 2 = 180/126 - Subtract the two like fractions:
27/126 - 180/126 = 27 - 180/126 = -153/126 - After reducing the fraction, the answer is -17/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14-90/63 3/28-90/63 9/14-90/63 3/42-90/63 15/14-90/63 3/70-90/63 21/14-90/63 3/98-90/63