Add 18/81 and 36/49
18/81 + 36/49 is 422/441.
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,
18/81 = 18 × 49/81 × 49 = 882/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
36/49 = 36 × 81/49 × 81 = 2916/3969 - Add the two like fractions:
882/3969 + 2916/3969 = 882 + 2916/3969 = 3798/3969 - 3798/3969 simplified gives 422/441
- So, 18/81 + 36/49 = 422/441
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