Subtract 20/49 from 81/9
1st number: 9 0/9, 2nd number: 20/49
81/9 - 20/49 is 421/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
81/9 = 81 × 49/9 × 49 = 3969/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
20/49 = 20 × 9/49 × 9 = 180/441 - Subtract the two like fractions:
3969/441 - 180/441 = 3969 - 180/441 = 3789/441 - After reducing the fraction, the answer is 421/49
- In mixed form: 829/49
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