Add 18/25 and 28/81
18/25 + 28/81 is 2158/2025.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 25 × 81 = 2025,
18/25 = 18 × 81/25 × 81 = 1458/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
28/81 = 28 × 25/81 × 25 = 700/2025 - Add the two like fractions:
1458/2025 + 700/2025 = 1458 + 700/2025 = 2158/2025 - So, 18/25 + 28/81 = 2158/2025
In mixed form: 1133/2025
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