Subtract 63/90 from 14/7
1st number: 2 0/7, 2nd number: 63/90
14/7 - 63/90 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
14/7 = 14 × 90/7 × 90 = 1260/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Subtract the two like fractions:
1260/630 - 441/630 = 1260 - 441/630 = 819/630 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/7-63/90 42/7-63/90 14/21-63/90 70/7-63/90 14/35-63/90 98/7-63/90 14/49-63/90