Subtract 18/32 from 36/84
36/84 - 18/32 is -15/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 84 × 8 = 672,
36/84 = 36 × 8/84 × 8 = 288/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
18/32 = 18 × 21/32 × 21 = 378/672 - Subtract the two like fractions:
288/672 - 378/672 = 288 - 378/672 = -90/672 - After reducing the fraction, the answer is -15/112
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