Add 20/25 and 84/81
1st number: 20/25, 2nd number: 1 3/81
20/25 + 84/81 is 248/135.
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,
20/25 = 20 × 81/25 × 81 = 1620/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
84/81 = 84 × 25/81 × 25 = 2100/2025 - Add the two like fractions:
1620/2025 + 2100/2025 = 1620 + 2100/2025 = 3720/2025 - 3720/2025 simplified gives 248/135
- So, 20/25 + 84/81 = 248/135
In mixed form: 1113/135
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