Subtract 45/42 from 25/50
1st number: 25/50, 2nd number: 1 3/42
25/50 - 45/42 is -4/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
25/50 = 25 × 21/50 × 21 = 525/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
45/42 = 45 × 25/42 × 25 = 1125/1050 - Subtract the two like fractions:
525/1050 - 1125/1050 = 525 - 1125/1050 = -600/1050 - After reducing the fraction, the answer is -4/7
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