Add 20/25 and 12/9
1st number: 20/25, 2nd number: 1 3/9
20/25 + 12/9 is 32/15.
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,
20/25 = 20 × 9/25 × 9 = 180/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
12/9 = 12 × 25/9 × 25 = 300/225 - Add the two like fractions:
180/225 + 300/225 = 180 + 300/225 = 480/225 - 480/225 simplified gives 32/15
- So, 20/25 + 12/9 = 32/15
In mixed form: 22/15
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