Subtract 7/18 from 70/49
1st number: 1 21/49, 2nd number: 7/18
70/49 - 7/18 is 131/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 49 × 18 = 882,
70/49 = 70 × 18/49 × 18 = 1260/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
7/18 = 7 × 49/18 × 49 = 343/882 - Subtract the two like fractions:
1260/882 - 343/882 = 1260 - 343/882 = 917/882 - After reducing the fraction, the answer is 131/126
- In mixed form: 15/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/49-14/18 70/98-7/18 70/49-7/36 70/49-21/18 70/49-7/54 70/49-35/18 70/49-7/90 70/49-49/18