Subtract 15/84 from 28/32
28/32 - 15/84 is 39/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 84 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
28/32 = 28 × 21/32 × 21 = 588/672 - Likewise, for the 2nd fraction, since 84 × 8 = 672,
15/84 = 15 × 8/84 × 8 = 120/672 - Subtract the two like fractions:
588/672 - 120/672 = 588 - 120/672 = 468/672 - After reducing the fraction, the answer is 39/56
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