Subtract 10/18 from 70/49
1st number: 1 21/49, 2nd number: 10/18
70/49 - 10/18 is 55/63.
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,
10/18 = 10 × 49/18 × 49 = 490/882 - Subtract the two like fractions:
1260/882 - 490/882 = 1260 - 490/882 = 770/882 - After reducing the fraction, the answer is 55/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/49-20/18 70/98-10/18 70/49-10/36 70/49-30/18 70/49-10/54 70/49-50/18 70/49-10/90 70/49-70/18