Subtract 36/84 from 42/50
42/50 - 36/84 is 72/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 50 × 42 = 2100,
42/50 = 42 × 42/50 × 42 = 1764/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
36/84 = 36 × 25/84 × 25 = 900/2100 - Subtract the two like fractions:
1764/2100 - 900/2100 = 1764 - 900/2100 = 864/2100 - After reducing the fraction, the answer is 72/175
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