Subtract 21/84 from 84/32
1st number: 2 20/32, 2nd number: 21/84
84/32 - 21/84 is 19/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 84 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
84/32 = 84 × 21/32 × 21 = 1764/672 - Likewise, for the 2nd fraction, since 84 × 8 = 672,
21/84 = 21 × 8/84 × 8 = 168/672 - Subtract the two like fractions:
1764/672 - 168/672 = 1764 - 168/672 = 1596/672 - After reducing the fraction, the answer is 19/8
- In mixed form: 23/8
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