Add 80/63 and 15/81
1st number: 1 17/63, 2nd number: 15/81
80/63 + 15/81 is 275/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
80/63 = 80 × 9/63 × 9 = 720/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
15/81 = 15 × 7/81 × 7 = 105/567 - Add the two like fractions:
720/567 + 105/567 = 720 + 105/567 = 825/567 - 825/567 simplified gives 275/189
- So, 80/63 + 15/81 = 275/189
In mixed form: 186/189
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