Add 80/49 and 9/81
1st number: 1 31/49, 2nd number: 9/81
80/49 + 9/81 is 769/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 81 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 49 × 81 = 3969,
80/49 = 80 × 81/49 × 81 = 6480/3969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,
9/81 = 9 × 49/81 × 49 = 441/3969 - Add the two like fractions:
6480/3969 + 441/3969 = 6480 + 441/3969 = 6921/3969 - 6921/3969 simplified gives 769/441
- So, 80/49 + 9/81 = 769/441
In mixed form: 1328/441
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