Subtract 35/18 from 72/49
1st number: 1 23/49, 2nd number: 1 17/18
72/49 - 35/18 is -419/882.
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,
72/49 = 72 × 18/49 × 18 = 1296/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
35/18 = 35 × 49/18 × 49 = 1715/882 - Subtract the two like fractions:
1296/882 - 1715/882 = 1296 - 1715/882 = -419/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/49-70/18 72/98-35/18 72/49-35/36 72/49-35/54 72/49-35/90