Subtract 35/7 from 27/18
1st number: 1 9/18, 2nd number: 5 0/7
27/18 - 35/7 is -7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
27/18 = 27 × 7/18 × 7 = 189/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
35/7 = 35 × 18/7 × 18 = 630/126 - Subtract the two like fractions:
189/126 - 630/126 = 189 - 630/126 = -441/126 - After reducing the fraction, the answer is -7/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18-35/7 27/18-70/7 27/36-35/7 27/18-35/14 81/18-35/7 27/54-35/7 27/18-35/21 27/90-35/7 27/18-35/49