Subtract 10/18 from 9/7
1st number: 1 2/7, 2nd number: 10/18
9/7 - 10/18 is 46/63.
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,
9/7 = 9 × 18/7 × 18 = 162/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
10/18 = 10 × 7/18 × 7 = 70/126 - Subtract the two like fractions:
162/126 - 70/126 = 162 - 70/126 = 92/126 - After reducing the fraction, the answer is 46/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7-10/18 9/7-20/18 9/14-10/18 9/7-10/36 27/7-10/18 9/7-30/18 9/21-10/18 9/7-10/54 45/7-10/18 9/7-50/18 9/35-10/18 9/7-10/90 63/7-10/18 9/7-70/18 9/49-10/18