Subtract 90/63 from 14/9
1st number: 1 5/9, 2nd number: 1 27/63
14/9 - 90/63 is 8/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
14/9 = 14 × 7/9 × 7 = 98/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
90/63 = 90 × 1/63 × 1 = 90/63 - Subtract the two like fractions:
98/63 - 90/63 = 98 - 90/63 = 8/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/9-90/63 14/18-90/63 42/9-90/63 14/27-90/63 70/9-90/63 14/45-90/63 98/9-90/63 14/63-90/63