Subtract 2/49 from 21/18
1st number: 1 3/18, 2nd number: 2/49
21/18 - 2/49 is 331/294.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
21/18 = 21 × 49/18 × 49 = 1029/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
2/49 = 2 × 18/49 × 18 = 36/882 - Subtract the two like fractions:
1029/882 - 36/882 = 1029 - 36/882 = 993/882 - After reducing the fraction, the answer is 331/294
- In mixed form: 137/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/18-2/49 21/18-4/49 21/36-2/49 21/18-2/98 63/18-2/49 21/18-6/49 21/54-2/49 21/18-10/49 21/90-2/49 21/18-14/49