Add 7/81 and 90/64
1st number: 7/81, 2nd number: 1 26/64
7/81 + 90/64 is 3869/2592.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 64 is 5184
Next, find the equivalent fraction of both fractional numbers with denominator 5184 - For the 1st fraction, since 81 × 64 = 5184,
7/81 = 7 × 64/81 × 64 = 448/5184 - Likewise, for the 2nd fraction, since 64 × 81 = 5184,
90/64 = 90 × 81/64 × 81 = 7290/5184 - Add the two like fractions:
448/5184 + 7290/5184 = 448 + 7290/5184 = 7738/5184 - 7738/5184 simplified gives 3869/2592
- So, 7/81 + 90/64 = 3869/2592
In mixed form: 11277/2592
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