Add 21/25 and 28/9, Solve 21/25 + 3 1/9 as a fraction

Add 21/25 and 28/9

1^st number: 21/25, 2^nd number: 3 1/9

21/25 + 28/9 is 889/225.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 25 × 9 = 225,
21/25 = 21 × 9/25 × 9 = 189/225
Likewise, for the 2nd fraction, since 9 × 25 = 225,
28/9 = 28 × 25/9 × 25 = 700/225
Add the two like fractions:
189/225 + 700/225 = 189 + 700/225 = 889/225
So, 21/25 + 28/9 = 889/225
In mixed form: 3214/225

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