Subtract 70/81 from 84/16
1st number: 5 4/16, 2nd number: 70/81
84/16 - 70/81 is 1421/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 16 × 81 = 1296,
84/16 = 84 × 81/16 × 81 = 6804/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
70/81 = 70 × 16/81 × 16 = 1120/1296 - Subtract the two like fractions:
6804/1296 - 1120/1296 = 6804 - 1120/1296 = 5684/1296 - After reducing the fraction, the answer is 1421/324
- In mixed form: 4125/324
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