Add 9/12 and 21/25
9/12 + 21/25 is 159/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
9/12 = 9 × 25/12 × 25 = 225/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
21/25 = 21 × 12/25 × 12 = 252/300 - Add the two like fractions:
225/300 + 252/300 = 225 + 252/300 = 477/300 - 477/300 simplified gives 159/100
- So, 9/12 + 21/25 = 159/100
In mixed form: 159/100
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