Subtract 40/50 from 75/84
75/84 - 40/50 is 13/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
75/84 = 75 × 25/84 × 25 = 1875/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
40/50 = 40 × 42/50 × 42 = 1680/2100 - Subtract the two like fractions:
1875/2100 - 1680/2100 = 1875 - 1680/2100 = 195/2100 - After reducing the fraction, the answer is 13/140
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