Add 72/28 and 28/18, Solve 2 16/28 + 1 10/18 as a fraction

Add 72/28 and 28/18

1^st number: 2 16/28, 2^nd number: 1 10/18

72/28 + 28/18 is 260/63.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
72/28 = 72 × 9/28 × 9 = 648/252
Likewise, for the 2nd fraction, since 18 × 14 = 252,
28/18 = 28 × 14/18 × 14 = 392/252
Add the two like fractions:
648/252 + 392/252 = 648 + 392/252 = 1040/252
1040/252 simplified gives 260/63
So, 72/28 + 28/18 = 260/63
In mixed form: 48/63

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