Subtract 40/49 from 10/16
10/16 - 40/49 is -75/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 49 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 16 × 49 = 784,
10/16 = 10 × 49/16 × 49 = 490/784 - Likewise, for the 2nd fraction, since 49 × 16 = 784,
40/49 = 40 × 16/49 × 16 = 640/784 - Subtract the two like fractions:
490/784 - 640/784 = 490 - 640/784 = -150/784 - After reducing the fraction, the answer is -75/392
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