Add 7/80 and 3/81
7/80 + 3/81 is 269/2160.
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,
7/80 = 7 × 81/80 × 81 = 567/6480 - Likewise, for the 2nd fraction, since 81 × 80 = 6480,
3/81 = 3 × 80/81 × 80 = 240/6480 - Add the two like fractions:
567/6480 + 240/6480 = 567 + 240/6480 = 807/6480 - 807/6480 simplified gives 269/2160
- So, 7/80 + 3/81 = 269/2160
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