Add 84/40 and 8/20
1st number: 2 4/40, 2nd number: 8/20
84/40 + 8/20 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
84/40 = 84 × 1/40 × 1 = 84/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
8/20 = 8 × 2/20 × 2 = 16/40 - Add the two like fractions:
84/40 + 16/40 = 84 + 16/40 = 100/40 - 100/40 simplified gives 5/2
- So, 84/40 + 8/20 = 5/2
In mixed form: 21/2
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