Subtract 81/14 from 21/75
1st number: 21/75, 2nd number: 5 11/14
21/75 - 81/14 is -1927/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 14 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
21/75 = 21 × 14/75 × 14 = 294/1050 - Likewise, for the 2nd fraction, since 14 × 75 = 1050,
81/14 = 81 × 75/14 × 75 = 6075/1050 - Subtract the two like fractions:
294/1050 - 6075/1050 = 294 - 6075/1050 = -5781/1050 - After reducing the fraction, the answer is -1927/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75-81/14 21/75-81/28 63/75-81/14 21/75-81/42 21/75-81/70 21/75-81/98