Subtract 49/18 from 1/2
1st number: 1/2, 2nd number: 2 13/18
1/2 - 49/18 is -20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
1/2 = 1 × 9/2 × 9 = 9/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
49/18 = 49 × 1/18 × 1 = 49/18 - Subtract the two like fractions:
9/18 - 49/18 = 9 - 49/18 = -40/18 - After reducing the fraction, the answer is -20/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2-98/18 1/4-49/18 1/2-49/36 3/2-49/18 1/6-49/18 1/2-49/54 5/2-49/18 1/10-49/18 1/2-49/90 7/2-49/18 1/14-49/18