Add 30/63 and 80/81
30/63 + 80/81 is 830/567.
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,
30/63 = 30 × 9/63 × 9 = 270/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
80/81 = 80 × 7/81 × 7 = 560/567 - Add the two like fractions:
270/567 + 560/567 = 270 + 560/567 = 830/567 - So, 30/63 + 80/81 = 830/567
In mixed form: 1263/567
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