Subtract 90/63 from 10/7
1st number: 1 3/7, 2nd number: 1 27/63
10/7 - 90/63 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
10/7 = 10 × 9/7 × 9 = 90/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
90/63 = 90 × 1/63 × 1 = 90/63 - Subtract the two like fractions:
90/63 - 90/63 = 90 - 90/63 = 0/63 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/7-90/63 10/14-90/63 30/7-90/63 10/21-90/63 50/7-90/63 10/35-90/63 70/7-90/63 10/49-90/63