Add 21/75 and 90/27, Solve 21/75 + 3 9/27 as a fraction

Add 21/75 and 90/27

1^st number: 21/75, 2^nd number: 3 9/27

21/75 + 90/27 is 271/75.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 75 × 9 = 675,
21/75 = 21 × 9/75 × 9 = 189/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
90/27 = 90 × 25/27 × 25 = 2250/675
Add the two like fractions:
189/675 + 2250/675 = 189 + 2250/675 = 2439/675
2439/675 simplified gives 271/75
So, 21/75 + 90/27 = 271/75
In mixed form: 346/75

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