Add 2/80 and 21/81
2/80 + 21/81 is 307/1080.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 81 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 80 × 81 = 6480,
2/80 = 2 × 81/80 × 81 = 162/6480 - Likewise, for the 2nd fraction, since 81 × 80 = 6480,
21/81 = 21 × 80/81 × 80 = 1680/6480 - Add the two like fractions:
162/6480 + 1680/6480 = 162 + 1680/6480 = 1842/6480 - 1842/6480 simplified gives 307/1080
- So, 2/80 + 21/81 = 307/1080
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