Add 21/6 and 56/10, Solve 3 3/6 + 5 6/10 as a fraction

Add 21/6 and 56/10

1^st number: 3 3/6, 2^nd number: 5 6/10

21/6 + 56/10 is 91/10.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 10 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 6 × 5 = 30,
21/6 = 21 × 5/6 × 5 = 105/30
Likewise, for the 2nd fraction, since 10 × 3 = 30,
56/10 = 56 × 3/10 × 3 = 168/30
Add the two like fractions:
105/30 + 168/30 = 105 + 168/30 = 273/30
273/30 simplified gives 91/10
So, 21/6 + 56/10 = 91/10
In mixed form: 91/10

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