Add 8/7 and 9/81
1st number: 1 1/7, 2nd number: 9/81
8/7 + 9/81 is 79/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
8/7 = 8 × 81/7 × 81 = 648/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
9/81 = 9 × 7/81 × 7 = 63/567 - Add the two like fractions:
648/567 + 63/567 = 648 + 63/567 = 711/567 - 711/567 simplified gives 79/63
- So, 8/7 + 9/81 = 79/63
In mixed form: 116/63
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