Subtract 24/21 from 16/84
1st number: 16/84, 2nd number: 1 3/21
16/84 - 24/21 is -20/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
16/84 = 16 × 1/84 × 1 = 16/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
24/21 = 24 × 4/21 × 4 = 96/84 - Subtract the two like fractions:
16/84 - 96/84 = 16 - 96/84 = -80/84 - After reducing the fraction, the answer is -20/21
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