Add 20/16 and 42/12, Solve 1 4/16 + 3 6/12 as a fraction

Add 20/16 and 42/12

1^st number: 1 4/16, 2^nd number: 3 6/12

20/16 + 42/12 is 19/4.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 12 is 48

Next, find the equivalent fraction of both fractional numbers with denominator 48
For the 1st fraction, since 16 × 3 = 48,
20/16 = 20 × 3/16 × 3 = 60/48
Likewise, for the 2nd fraction, since 12 × 4 = 48,
42/12 = 42 × 4/12 × 4 = 168/48
Add the two like fractions:
60/48 + 168/48 = 60 + 168/48 = 228/48
228/48 simplified gives 19/4
So, 20/16 + 42/12 = 19/4
In mixed form: 43/4

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