Subtract 42/40 from 84/2
1st number: 42 0/2, 2nd number: 1 2/40
84/2 - 42/40 is 819/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
84/2 = 84 × 20/2 × 20 = 1680/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Subtract the two like fractions:
1680/40 - 42/40 = 1680 - 42/40 = 1638/40 - After reducing the fraction, the answer is 819/20
- In mixed form: 4019/20
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