Add 80/4 and 42/12, Solve 20 0/4 + 3 6/12 as a fraction

Add 80/4 and 42/12

1^st number: 20 0/4, 2^nd number: 3 6/12

80/4 + 42/12 is 47/2.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12

Next, find the equivalent fraction of both fractional numbers with denominator 12
For the 1st fraction, since 4 × 3 = 12,
80/4 = 80 × 3/4 × 3 = 240/12
Likewise, for the 2nd fraction, since 12 × 1 = 12,
42/12 = 42 × 1/12 × 1 = 42/12
Add the two like fractions:
240/12 + 42/12 = 240 + 42/12 = 282/12
282/12 simplified gives 47/2
So, 80/4 + 42/12 = 47/2
In mixed form: 231/2

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