Add 20/16 and 7/42, Solve 1 4/16 + 7/42 as a fraction

Add 20/16 and 7/42

1^st number: 1 4/16, 2^nd number: 7/42

20/16 + 7/42 is 17/12.

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,
20/16 = 20 × 21/16 × 21 = 420/336
Likewise, for the 2nd fraction, since 42 × 8 = 336,
7/42 = 7 × 8/42 × 8 = 56/336
Add the two like fractions:
420/336 + 56/336 = 420 + 56/336 = 476/336
476/336 simplified gives 17/12
So, 20/16 + 7/42 = 17/12
In mixed form: 15/12

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