Add 45/3 and 40/12, Solve 15 0/3 + 3 4/12 as a fraction

Add 45/3 and 40/12

1^st number: 15 0/3, 2^nd number: 3 4/12

45/3 + 40/12 is 55/3.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12

Next, find the equivalent fraction of both fractional numbers with denominator 12
For the 1st fraction, since 3 × 4 = 12,
45/3 = 45 × 4/3 × 4 = 180/12
Likewise, for the 2nd fraction, since 12 × 1 = 12,
40/12 = 40 × 1/12 × 1 = 40/12
Add the two like fractions:
180/12 + 40/12 = 180 + 40/12 = 220/12
220/12 simplified gives 55/3
So, 45/3 + 40/12 = 55/3
In mixed form: 181/3

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