Subtract 3/25 from 20/42
20/42 - 3/25 is 187/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
20/42 = 20 × 25/42 × 25 = 500/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
3/25 = 3 × 42/25 × 42 = 126/1050 - Subtract the two like fractions:
500/1050 - 126/1050 = 500 - 126/1050 = 374/1050 - After reducing the fraction, the answer is 187/525
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