Subtract 21/84 from 25/9
1st number: 2 7/9, 2nd number: 21/84
25/9 - 21/84 is 91/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
25/9 = 25 × 28/9 × 28 = 700/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
21/84 = 21 × 3/84 × 3 = 63/252 - Subtract the two like fractions:
700/252 - 63/252 = 700 - 63/252 = 637/252 - After reducing the fraction, the answer is 91/36
- In mixed form: 219/36
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