Add 21/25 and 28/27, Solve 21/25 + 1 1/27 as a fraction

Add 21/25 and 28/27

1^st number: 21/25, 2^nd number: 1 1/27

21/25 + 28/27 is 1267/675.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 25 × 27 = 675,
21/25 = 21 × 27/25 × 27 = 567/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
28/27 = 28 × 25/27 × 25 = 700/675
Add the two like fractions:
567/675 + 700/675 = 567 + 700/675 = 1267/675
So, 21/25 + 28/27 = 1267/675
In mixed form: 1592/675

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