Subtract 28/84 from 5/25
5/25 - 28/84 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
5/25 = 5 × 84/25 × 84 = 420/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
28/84 = 28 × 25/84 × 25 = 700/2100 - Subtract the two like fractions:
420/2100 - 700/2100 = 420 - 700/2100 = -280/2100 - After reducing the fraction, the answer is -2/15
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