Add 75/30 and 1/81
1st number: 2 15/30, 2nd number: 1/81
75/30 + 1/81 is 407/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
75/30 = 75 × 27/30 × 27 = 2025/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
1/81 = 1 × 10/81 × 10 = 10/810 - Add the two like fractions:
2025/810 + 10/810 = 2025 + 10/810 = 2035/810 - 2035/810 simplified gives 407/162
- So, 75/30 + 1/81 = 407/162
In mixed form: 283/162
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