Add 8/81 and 35/80
8/81 + 35/80 is 695/1296.
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,
8/81 = 8 × 80/81 × 80 = 640/6480 - Likewise, for the 2nd fraction, since 80 × 81 = 6480,
35/80 = 35 × 81/80 × 81 = 2835/6480 - Add the two like fractions:
640/6480 + 2835/6480 = 640 + 2835/6480 = 3475/6480 - 3475/6480 simplified gives 695/1296
- So, 8/81 + 35/80 = 695/1296
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/81+35/80 8/81+70/80 24/81+35/80 40/81+35/80 56/81+35/80