Subtract 2/5 from 84/20
1st number: 4 4/20, 2nd number: 2/5
84/20 - 2/5 is 19/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
84/20 = 84 × 1/20 × 1 = 84/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
2/5 = 2 × 4/5 × 4 = 8/20 - Subtract the two like fractions:
84/20 - 8/20 = 84 - 8/20 = 76/20 - After reducing the fraction, the answer is 19/5
- In mixed form: 34/5
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