Add 18/81 and 80/75
1st number: 18/81, 2nd number: 1 5/75
18/81 + 80/75 is 58/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 75 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 81 × 25 = 2025,
18/81 = 18 × 25/81 × 25 = 450/2025 - Likewise, for the 2nd fraction, since 75 × 27 = 2025,
80/75 = 80 × 27/75 × 27 = 2160/2025 - Add the two like fractions:
450/2025 + 2160/2025 = 450 + 2160/2025 = 2610/2025 - 2610/2025 simplified gives 58/45
- So, 18/81 + 80/75 = 58/45
In mixed form: 113/45
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