Subtract 81/49 from 16/36
1st number: 16/36, 2nd number: 1 32/49
16/36 - 81/49 is -533/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 49 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 36 × 49 = 1764,
16/36 = 16 × 49/36 × 49 = 784/1764 - Likewise, for the 2nd fraction, since 49 × 36 = 1764,
81/49 = 81 × 36/49 × 36 = 2916/1764 - Subtract the two like fractions:
784/1764 - 2916/1764 = 784 - 2916/1764 = -2132/1764 - After reducing the fraction, the answer is -533/441
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