Add 1/81 and 4/80
1/81 + 4/80 is 101/1620.
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,
1/81 = 1 × 80/81 × 80 = 80/6480 - Likewise, for the 2nd fraction, since 80 × 81 = 6480,
4/80 = 4 × 81/80 × 81 = 324/6480 - Add the two like fractions:
80/6480 + 324/6480 = 80 + 324/6480 = 404/6480 - 404/6480 simplified gives 101/1620
- So, 1/81 + 4/80 = 101/1620
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