Subtract 84/32 from 2/21
1st number: 2/21, 2nd number: 2 20/32
2/21 - 84/32 is -425/168.
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,
2/21 = 2 × 32/21 × 32 = 64/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
84/32 = 84 × 21/32 × 21 = 1764/672 - Subtract the two like fractions:
64/672 - 1764/672 = 64 - 1764/672 = -1700/672 - After reducing the fraction, the answer is -425/168
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