Add 60/16 and 20/42, Solve 3 12/16 + 20/42 as a fraction

Add 60/16 and 20/42

1^st number: 3 12/16, 2^nd number: 20/42

60/16 + 20/42 is 355/84.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
60/16 = 60 × 21/16 × 21 = 1260/336
Likewise, for the 2nd fraction, since 42 × 8 = 336,
20/42 = 20 × 8/42 × 8 = 160/336
Add the two like fractions:
1260/336 + 160/336 = 1260 + 160/336 = 1420/336
1420/336 simplified gives 355/84
So, 60/16 + 20/42 = 355/84
In mixed form: 419/84

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