Subtract 27/50 from 28/84
28/84 - 27/50 is -31/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
28/84 = 28 × 25/84 × 25 = 700/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
27/50 = 27 × 42/50 × 42 = 1134/2100 - Subtract the two like fractions:
700/2100 - 1134/2100 = 700 - 1134/2100 = -434/2100 - After reducing the fraction, the answer is -31/150
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