Add 60/16 and 40/42, Solve 3 12/16 + 40/42 as a fraction

Add 60/16 and 40/42

1^st number: 3 12/16, 2^nd number: 40/42

60/16 + 40/42 is 395/84.

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,
40/42 = 40 × 8/42 × 8 = 320/336
Add the two like fractions:
1260/336 + 320/336 = 1260 + 320/336 = 1580/336
1580/336 simplified gives 395/84
So, 60/16 + 40/42 = 395/84
In mixed form: 459/84

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