Subtract 10/7 from 27/63
1st number: 27/63, 2nd number: 1 3/7
27/63 - 10/7 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
27/63 = 27 × 1/63 × 1 = 27/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
10/7 = 10 × 9/7 × 9 = 90/63 - Subtract the two like fractions:
27/63 - 90/63 = 27 - 90/63 = -63/63 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63-10/7 27/63-20/7 27/63-10/14 81/63-10/7 27/63-30/7 27/63-10/21 27/63-50/7 27/63-10/35 27/63-70/7 27/63-10/49