Subtract 49/81 from 42/16
1st number: 2 10/16, 2nd number: 49/81
42/16 - 49/81 is 1309/648.
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,
42/16 = 42 × 81/16 × 81 = 3402/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
49/81 = 49 × 16/81 × 16 = 784/1296 - Subtract the two like fractions:
3402/1296 - 784/1296 = 3402 - 784/1296 = 2618/1296 - After reducing the fraction, the answer is 1309/648
- In mixed form: 213/648
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