Subtract 84/81 from 1/49
1st number: 1/49, 2nd number: 1 3/81
1/49 - 84/81 is -1345/1323.
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,
1/49 = 1 × 81/49 × 81 = 81/3969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,
84/81 = 84 × 49/81 × 49 = 4116/3969 - Subtract the two like fractions:
81/3969 - 4116/3969 = 81 - 4116/3969 = -4035/3969 - After reducing the fraction, the answer is -1345/1323
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