Add 21/25 and 7/9
21/25 + 7/9 is 364/225.
Steps for adding fractions
- 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,
7/9 = 7 × 25/9 × 25 = 175/225 - Add the two like fractions:
189/225 + 175/225 = 189 + 175/225 = 364/225 - So, 21/25 + 7/9 = 364/225
In mixed form: 1139/225
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