Add 18/81 and 70/25
1st number: 18/81, 2nd number: 2 20/25
18/81 + 70/25 is 136/45.
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,
18/81 = 18 × 25/81 × 25 = 450/2025 - Likewise, for the 2nd fraction, since 25 × 81 = 2025,
70/25 = 70 × 81/25 × 81 = 5670/2025 - Add the two like fractions:
450/2025 + 5670/2025 = 450 + 5670/2025 = 6120/2025 - 6120/2025 simplified gives 136/45
- So, 18/81 + 70/25 = 136/45
In mixed form: 31/45
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