Add 36/40 and 20/12, Solve 36/40 + 1 8/12 as a fraction

Add 36/40 and 20/12

1^st number: 36/40, 2^nd number: 1 8/12

36/40 + 20/12 is 77/30.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
36/40 = 36 × 3/40 × 3 = 108/120
Likewise, for the 2nd fraction, since 12 × 10 = 120,
20/12 = 20 × 10/12 × 10 = 200/120
Add the two like fractions:
108/120 + 200/120 = 108 + 200/120 = 308/120
308/120 simplified gives 77/30
So, 36/40 + 20/12 = 77/30
In mixed form: 217/30

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