Add 72/81 and 12/25
72/81 + 12/25 is 308/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 25 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 81 × 25 = 2025,
72/81 = 72 × 25/81 × 25 = 1800/2025 - Likewise, for the 2nd fraction, since 25 × 81 = 2025,
12/25 = 12 × 81/25 × 81 = 972/2025 - Add the two like fractions:
1800/2025 + 972/2025 = 1800 + 972/2025 = 2772/2025 - 2772/2025 simplified gives 308/225
- So, 72/81 + 12/25 = 308/225
In mixed form: 183/225
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