Subtract 9/16 from 42/98
42/98 - 9/16 is -15/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 16 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 98 × 8 = 784,
42/98 = 42 × 8/98 × 8 = 336/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
9/16 = 9 × 49/16 × 49 = 441/784 - Subtract the two like fractions:
336/784 - 441/784 = 336 - 441/784 = -105/784 - After reducing the fraction, the answer is -15/112
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