Subtract 50/84 from 4/42
4/42 - 50/84 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
4/42 = 4 × 2/42 × 2 = 8/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
50/84 = 50 × 1/84 × 1 = 50/84 - Subtract the two like fractions:
8/84 - 50/84 = 8 - 50/84 = -42/84 - After reducing the fraction, the answer is -1/2
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