Add 21/6 and 56/60, Solve 3 3/6 + 56/60 as a fraction

Add 21/6 and 56/60

1^st number: 3 3/6, 2^nd number: 56/60

21/6 + 56/60 is 133/30.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 60 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 6 × 10 = 60,
21/6 = 21 × 10/6 × 10 = 210/60
Likewise, for the 2nd fraction, since 60 × 1 = 60,
56/60 = 56 × 1/60 × 1 = 56/60
Add the two like fractions:
210/60 + 56/60 = 210 + 56/60 = 266/60
266/60 simplified gives 133/30
So, 21/6 + 56/60 = 133/30
In mixed form: 413/30

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