Add 20/27 and 40/12, Solve 20/27 + 3 4/12 as a fraction

Add 20/27 and 40/12

1^st number: 20/27, 2^nd number: 3 4/12

20/27 + 40/12 is 110/27.

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,
20/27 = 20 × 4/27 × 4 = 80/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
40/12 = 40 × 9/12 × 9 = 360/108
Add the two like fractions:
80/108 + 360/108 = 80 + 360/108 = 440/108
440/108 simplified gives 110/27
So, 20/27 + 40/12 = 110/27
In mixed form: 42/27

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