Add 45/3 and 42/27, Solve 15 0/3 + 1 15/27 as a fraction

Add 45/3 and 42/27

1^st number: 15 0/3, 2^nd number: 1 15/27

45/3 + 42/27 is 149/9.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27

Next, find the equivalent fraction of both fractional numbers with denominator 27
For the 1st fraction, since 3 × 9 = 27,
45/3 = 45 × 9/3 × 9 = 405/27
Likewise, for the 2nd fraction, since 27 × 1 = 27,
42/27 = 42 × 1/27 × 1 = 42/27
Add the two like fractions:
405/27 + 42/27 = 405 + 42/27 = 447/27
447/27 simplified gives 149/9
So, 45/3 + 42/27 = 149/9
In mixed form: 165/9

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