Subtract 90/50 from 1/42
1st number: 1/42, 2nd number: 1 40/50
1/42 - 90/50 is -373/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
1/42 = 1 × 25/42 × 25 = 25/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
90/50 = 90 × 21/50 × 21 = 1890/1050 - Subtract the two like fractions:
25/1050 - 1890/1050 = 25 - 1890/1050 = -1865/1050 - After reducing the fraction, the answer is -373/210
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