Subtract 84/32 from 10/21
1st number: 10/21, 2nd number: 2 20/32
10/21 - 84/32 is -361/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
10/21 = 10 × 32/21 × 32 = 320/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
84/32 = 84 × 21/32 × 21 = 1764/672 - Subtract the two like fractions:
320/672 - 1764/672 = 320 - 1764/672 = -1444/672 - After reducing the fraction, the answer is -361/168
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