Add 8/81 and 28/60
8/81 + 28/60 is 229/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 60 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
8/81 = 8 × 20/81 × 20 = 160/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
28/60 = 28 × 27/60 × 27 = 756/1620 - Add the two like fractions:
160/1620 + 756/1620 = 160 + 756/1620 = 916/1620 - 916/1620 simplified gives 229/405
- So, 8/81 + 28/60 = 229/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/81+28/60 8/81+56/60 24/81+28/60 8/81+84/60 40/81+28/60 56/81+28/60