Subtract 28/50 from 18/54
18/54 - 28/50 is -17/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 50 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 54 × 25 = 1350,
18/54 = 18 × 25/54 × 25 = 450/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
28/50 = 28 × 27/50 × 27 = 756/1350 - Subtract the two like fractions:
450/1350 - 756/1350 = 450 - 756/1350 = -306/1350 - After reducing the fraction, the answer is -17/75
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