Add 3/81 and 4/80
3/81 + 4/80 is 47/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 80 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 81 × 80 = 6480,
3/81 = 3 × 80/81 × 80 = 240/6480 - Likewise, for the 2nd fraction, since 80 × 81 = 6480,
4/80 = 4 × 81/80 × 81 = 324/6480 - Add the two like fractions:
240/6480 + 324/6480 = 240 + 324/6480 = 564/6480 - 564/6480 simplified gives 47/540
- So, 3/81 + 4/80 = 47/540
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