Add 72/14 and 28/42, Solve 5 2/14 + 28/42 as a fraction

Add 72/14 and 28/42

1^st number: 5 2/14, 2^nd number: 28/42

72/14 + 28/42 is 122/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 14 × 3 = 42,
72/14 = 72 × 3/14 × 3 = 216/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
28/42 = 28 × 1/42 × 1 = 28/42
Add the two like fractions:
216/42 + 28/42 = 216 + 28/42 = 244/42
244/42 simplified gives 122/21
So, 72/14 + 28/42 = 122/21
In mixed form: 517/21

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