Add 72/75 and 1/81
72/75 + 1/81 is 1969/2025.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 75 × 27 = 2025,
72/75 = 72 × 27/75 × 27 = 1944/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
1/81 = 1 × 25/81 × 25 = 25/2025 - Add the two like fractions:
1944/2025 + 25/2025 = 1944 + 25/2025 = 1969/2025 - So, 72/75 + 1/81 = 1969/2025
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