Add 15/45 and 20/25
15/45 + 20/25 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
15/45 = 15 × 5/45 × 5 = 75/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
20/25 = 20 × 9/25 × 9 = 180/225 - Add the two like fractions:
75/225 + 180/225 = 75 + 180/225 = 255/225 - 255/225 simplified gives 17/15
- So, 15/45 + 20/25 = 17/15
In mixed form: 12/15
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