Add 21/36 and 45/6, Solve 21/36 + 7 3/6 as a fraction

Add 21/36 and 45/6

1^st number: 21/36, 2^nd number: 7 3/6

21/36 + 45/6 is 97/12.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 6 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36
Likewise, for the 2nd fraction, since 6 × 6 = 36,
45/6 = 45 × 6/6 × 6 = 270/36
Add the two like fractions:
21/36 + 270/36 = 21 + 270/36 = 291/36
291/36 simplified gives 97/12
So, 21/36 + 45/6 = 97/12
In mixed form: 81/12

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