Add 10/9 and 27/28, Solve 1 1/9 + 27/28 as a fraction

Add 10/9 and 27/28

1^st number: 1 1/9, 2^nd number: 27/28

10/9 + 27/28 is 523/252.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 9 × 28 = 252,
10/9 = 10 × 28/9 × 28 = 280/252
Likewise, for the 2nd fraction, since 28 × 9 = 252,
27/28 = 27 × 9/28 × 9 = 243/252
Add the two like fractions:
280/252 + 243/252 = 280 + 243/252 = 523/252
So, 10/9 + 27/28 = 523/252
In mixed form: 219/252

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