Add 9/10 and 28/81, Solve 9/10 + 28/81 as a fraction

Add 9/10 and 28/81

9/10 + 28/81 is 1009/810.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810

Next, find the equivalent fraction of both fractional numbers with denominator 810
For the 1st fraction, since 10 × 81 = 810,
9/10 = 9 × 81/10 × 81 = 729/810
Likewise, for the 2nd fraction, since 81 × 10 = 810,
28/81 = 28 × 10/81 × 10 = 280/810
Add the two like fractions:
729/810 + 280/810 = 729 + 280/810 = 1009/810
So, 9/10 + 28/81 = 1009/810
In mixed form: 1199/810

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