Add 35/81 and 8/20
35/81 + 8/20 is 337/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 20 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
35/81 = 35 × 20/81 × 20 = 700/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
8/20 = 8 × 81/20 × 81 = 648/1620 - Add the two like fractions:
700/1620 + 648/1620 = 700 + 648/1620 = 1348/1620 - 1348/1620 simplified gives 337/405
- So, 35/81 + 8/20 = 337/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/81+8/20 35/81+16/20 35/81+8/40 35/81+24/20 35/81+8/60 35/81+40/20 35/81+56/20