Subtract 9/16 from 12/84
12/84 - 9/16 is -47/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
12/84 = 12 × 4/84 × 4 = 48/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
9/16 = 9 × 21/16 × 21 = 189/336 - Subtract the two like fractions:
48/336 - 189/336 = 48 - 189/336 = -141/336 - After reducing the fraction, the answer is -47/112
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