Subtract 20/42 from 84/32
1st number: 2 20/32, 2nd number: 20/42
84/32 - 20/42 is 361/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 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 42 × 16 = 672,
20/42 = 20 × 16/42 × 16 = 320/672 - Subtract the two like fractions:
1764/672 - 320/672 = 1764 - 320/672 = 1444/672 - After reducing the fraction, the answer is 361/168
- In mixed form: 225/168
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