Add 8/63 and 90/81
1st number: 8/63, 2nd number: 1 9/81
8/63 + 90/81 is 26/21.
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,
8/63 = 8 × 9/63 × 9 = 72/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
90/81 = 90 × 7/81 × 7 = 630/567 - Add the two like fractions:
72/567 + 630/567 = 72 + 630/567 = 702/567 - 702/567 simplified gives 26/21
- So, 8/63 + 90/81 = 26/21
In mixed form: 15/21
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