Add 63/7 and 90/81
1st number: 9 0/7, 2nd number: 1 9/81
63/7 + 90/81 is 91/9.
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,
63/7 = 63 × 81/7 × 81 = 5103/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
90/81 = 90 × 7/81 × 7 = 630/567 - Add the two like fractions:
5103/567 + 630/567 = 5103 + 630/567 = 5733/567 - 5733/567 simplified gives 91/9
- So, 63/7 + 90/81 = 91/9
In mixed form: 101/9
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