Add 5/25 and 70/81
5/25 + 70/81 is 431/405.
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,
5/25 = 5 × 81/25 × 81 = 405/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
70/81 = 70 × 25/81 × 25 = 1750/2025 - Add the two like fractions:
405/2025 + 1750/2025 = 405 + 1750/2025 = 2155/2025 - 2155/2025 simplified gives 431/405
- So, 5/25 + 70/81 = 431/405
In mixed form: 126/405
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