Subtract 50/49 from 81/18
1st number: 4 9/18, 2nd number: 1 1/49
81/18 - 50/49 is 341/98.
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,
81/18 = 81 × 49/18 × 49 = 3969/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
50/49 = 50 × 18/49 × 18 = 900/882 - Subtract the two like fractions:
3969/882 - 900/882 = 3969 - 900/882 = 3069/882 - After reducing the fraction, the answer is 341/98
- In mixed form: 347/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/36-50/49 81/18-50/98 81/54-50/49 81/90-50/49