Add 28/18 and 15/84, Solve 1 10/18 + 15/84 as a fraction

Add 28/18 and 15/84

1^st number: 1 10/18, 2^nd number: 15/84

28/18 + 15/84 is 437/252.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 18 × 14 = 252,
28/18 = 28 × 14/18 × 14 = 392/252
Likewise, for the 2nd fraction, since 84 × 3 = 252,
15/84 = 15 × 3/84 × 3 = 45/252
Add the two like fractions:
392/252 + 45/252 = 392 + 45/252 = 437/252
So, 28/18 + 15/84 = 437/252
In mixed form: 1185/252

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