Add 30/27 and 45/12, Solve 1 3/27 + 3 9/12 as a fraction

Add 30/27 and 45/12

1^st number: 1 3/27, 2^nd number: 3 9/12

30/27 + 45/12 is 175/36.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
45/12 = 45 × 9/12 × 9 = 405/108
Add the two like fractions:
120/108 + 405/108 = 120 + 405/108 = 525/108
525/108 simplified gives 175/36
So, 30/27 + 45/12 = 175/36
In mixed form: 431/36

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