Add 90/81 and 3/7
1st number: 1 9/81, 2nd number: 3/7
90/81 + 3/7 is 97/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
90/81 = 90 × 7/81 × 7 = 630/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
3/7 = 3 × 81/7 × 81 = 243/567 - Add the two like fractions:
630/567 + 243/567 = 630 + 243/567 = 873/567 - 873/567 simplified gives 97/63
- So, 90/81 + 3/7 = 97/63
In mixed form: 134/63
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