Subtract 10/18 from 27/7
1st number: 3 6/7, 2nd number: 10/18
27/7 - 10/18 is 208/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
27/7 = 27 × 18/7 × 18 = 486/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
10/18 = 10 × 7/18 × 7 = 70/126 - Subtract the two like fractions:
486/126 - 70/126 = 486 - 70/126 = 416/126 - After reducing the fraction, the answer is 208/63
- In mixed form: 319/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7-10/18 27/7-20/18 27/14-10/18 27/7-10/36 81/7-10/18 27/7-30/18 27/21-10/18 27/7-10/54 27/7-50/18 27/35-10/18 27/7-10/90 27/7-70/18 27/49-10/18