Add 45/25 and 20/81
1st number: 1 20/25, 2nd number: 20/81
45/25 + 20/81 is 829/405.
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,
45/25 = 45 × 81/25 × 81 = 3645/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
20/81 = 20 × 25/81 × 25 = 500/2025 - Add the two like fractions:
3645/2025 + 500/2025 = 3645 + 500/2025 = 4145/2025 - 4145/2025 simplified gives 829/405
- So, 45/25 + 20/81 = 829/405
In mixed form: 219/405
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