Add 4/9 and 21/25
4/9 + 21/25 is 289/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
4/9 = 4 × 25/9 × 25 = 100/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
21/25 = 21 × 9/25 × 9 = 189/225 - Add the two like fractions:
100/225 + 189/225 = 100 + 189/225 = 289/225 - So, 4/9 + 21/25 = 289/225
In mixed form: 164/225
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