Add 80/81 and 27/49
80/81 + 27/49 is 6107/3969.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 49 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 81 × 49 = 3969,
80/81 = 80 × 49/81 × 49 = 3920/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
27/49 = 27 × 81/49 × 81 = 2187/3969 - Add the two like fractions:
3920/3969 + 2187/3969 = 3920 + 2187/3969 = 6107/3969 - So, 80/81 + 27/49 = 6107/3969
In mixed form: 12138/3969
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