Add 36/6 and 54/21, Solve 6 0/6 + 2 12/21 as a fraction

Add 36/6 and 54/21

1^st number: 6 0/6, 2^nd number: 2 12/21

36/6 + 54/21 is 60/7.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
36/6 = 36 × 7/6 × 7 = 252/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
54/21 = 54 × 2/21 × 2 = 108/42
Add the two like fractions:
252/42 + 108/42 = 252 + 108/42 = 360/42
360/42 simplified gives 60/7
So, 36/6 + 54/21 = 60/7
In mixed form: 84/7

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