Add 6/80 and 8/81
6/80 + 8/81 is 563/3240.
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,
6/80 = 6 × 81/80 × 81 = 486/6480 - Likewise, for the 2nd fraction, since 81 × 80 = 6480,
8/81 = 8 × 80/81 × 80 = 640/6480 - Add the two like fractions:
486/6480 + 640/6480 = 486 + 640/6480 = 1126/6480 - 1126/6480 simplified gives 563/3240
- So, 6/80 + 8/81 = 563/3240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/80+8/81 6/80+16/81 18/80+8/81 6/80+24/81 30/80+8/81 6/80+40/81 42/80+8/81 6/80+56/81