Add 21/54 and 25/10, Solve 21/54 + 2 5/10 as a fraction

Add 21/54 and 25/10

1^st number: 21/54, 2^nd number: 2 5/10

21/54 + 25/10 is 26/9.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 54 × 5 = 270,
21/54 = 21 × 5/54 × 5 = 105/270
Likewise, for the 2nd fraction, since 10 × 27 = 270,
25/10 = 25 × 27/10 × 27 = 675/270
Add the two like fractions:
105/270 + 675/270 = 105 + 675/270 = 780/270
780/270 simplified gives 26/9
So, 21/54 + 25/10 = 26/9
In mixed form: 28/9

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