Add 56/3 and 21/84, Solve 18 2/3 + 21/84 as a fraction

Add 56/3 and 21/84

1^st number: 18 2/3, 2^nd number: 21/84

56/3 + 21/84 is 227/12.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 3 × 28 = 84,
56/3 = 56 × 28/3 × 28 = 1568/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84
Add the two like fractions:
1568/84 + 21/84 = 1568 + 21/84 = 1589/84
1589/84 simplified gives 227/12
So, 56/3 + 21/84 = 227/12
In mixed form: 1811/12

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