Subtract 3/81 from 84/49
1st number: 1 35/49, 2nd number: 3/81
84/49 - 3/81 is 317/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 81 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 49 × 81 = 3969,
84/49 = 84 × 81/49 × 81 = 6804/3969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,
3/81 = 3 × 49/81 × 49 = 147/3969 - Subtract the two like fractions:
6804/3969 - 147/3969 = 6804 - 147/3969 = 6657/3969 - After reducing the fraction, the answer is 317/189
- In mixed form: 1128/189
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