Add 20/84 and 15/3
1st number: 20/84, 2nd number: 5 0/3
20/84 + 15/3 is 110/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
15/3 = 15 × 28/3 × 28 = 420/84 - Add the two like fractions:
20/84 + 420/84 = 20 + 420/84 = 440/84 - 440/84 simplified gives 110/21
- So, 20/84 + 15/3 = 110/21
In mixed form: 55/21
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