Add 20/80 and 8/36
20/80 + 8/36 is 17/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
8/36 = 8 × 20/36 × 20 = 160/720 - Add the two like fractions:
180/720 + 160/720 = 180 + 160/720 = 340/720 - 340/720 simplified gives 17/36
- So, 20/80 + 8/36 = 17/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/80+8/36 20/80+16/36 20/80+8/72 60/80+8/36 20/80+24/36 20/80+40/36 20/80+56/36