Subtract 28/42 from 18/25
18/25 - 28/42 is 4/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
18/25 = 18 × 42/25 × 42 = 756/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
28/42 = 28 × 25/42 × 25 = 700/1050 - Subtract the two like fractions:
756/1050 - 700/1050 = 756 - 700/1050 = 56/1050 - After reducing the fraction, the answer is 4/75
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