Subtract 50/84 from 8/21
8/21 - 50/84 is -3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
8/21 = 8 × 4/21 × 4 = 32/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
50/84 = 50 × 1/84 × 1 = 50/84 - Subtract the two like fractions:
32/84 - 50/84 = 32 - 50/84 = -18/84 - After reducing the fraction, the answer is -3/14
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