Add 21/25 and 56/18, Solve 21/25 + 3 2/18 as a fraction

Add 21/25 and 56/18

1^st number: 21/25, 2^nd number: 3 2/18

21/25 + 56/18 is 889/225.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 25 × 18 = 450,
21/25 = 21 × 18/25 × 18 = 378/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
56/18 = 56 × 25/18 × 25 = 1400/450
Add the two like fractions:
378/450 + 1400/450 = 378 + 1400/450 = 1778/450
1778/450 simplified gives 889/225
So, 21/25 + 56/18 = 889/225
In mixed form: 3214/225

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