Subtract 16/81 from 49/56
49/56 - 16/81 is 439/648.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
49/56 = 49 × 81/56 × 81 = 3969/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
16/81 = 16 × 56/81 × 56 = 896/4536 - Subtract the two like fractions:
3969/4536 - 896/4536 = 3969 - 896/4536 = 3073/4536 - After reducing the fraction, the answer is 439/648
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