Add 3/18 and 45/4, Solve 3/18 + 11 1/4 as a fraction

Add 3/18 and 45/4

1^st number: 3/18, 2^nd number: 11 1/4

3/18 + 45/4 is 137/12.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 18 × 2 = 36,
3/18 = 3 × 2/18 × 2 = 6/36
Likewise, for the 2nd fraction, since 4 × 9 = 36,
45/4 = 45 × 9/4 × 9 = 405/36
Add the two like fractions:
6/36 + 405/36 = 6 + 405/36 = 411/36
411/36 simplified gives 137/12
So, 3/18 + 45/4 = 137/12
In mixed form: 115/12

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