Add 12/9 and 21/25
1st number: 1 3/9, 2nd number: 21/25
12/9 + 21/25 is 163/75.
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,
12/9 = 12 × 25/9 × 25 = 300/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
21/25 = 21 × 9/25 × 9 = 189/225 - Add the two like fractions:
300/225 + 189/225 = 300 + 189/225 = 489/225 - 489/225 simplified gives 163/75
- So, 12/9 + 21/25 = 163/75
In mixed form: 213/75
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