Add 84/3 and 18/20
1st number: 28 0/3, 2nd number: 18/20
84/3 + 18/20 is 289/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
84/3 = 84 × 20/3 × 20 = 1680/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Add the two like fractions:
1680/60 + 54/60 = 1680 + 54/60 = 1734/60 - 1734/60 simplified gives 289/10
- So, 84/3 + 18/20 = 289/10
In mixed form: 289/10
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