Add 18/45 and 80/25
1st number: 18/45, 2nd number: 3 5/25
18/45 + 80/25 is 18/5.
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,
18/45 = 18 × 5/45 × 5 = 90/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
80/25 = 80 × 9/25 × 9 = 720/225 - Add the two like fractions:
90/225 + 720/225 = 90 + 720/225 = 810/225 - 810/225 simplified gives 18/5
- So, 18/45 + 80/25 = 18/5
In mixed form: 33/5
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