Subtract 45/84 from 27/28
27/28 - 45/84 is 3/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
27/28 = 27 × 3/28 × 3 = 81/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Subtract the two like fractions:
81/84 - 45/84 = 81 - 45/84 = 36/84 - After reducing the fraction, the answer is 3/7
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