Add 36/72 and 5/80
36/72 + 5/80 is 9/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
36/72 = 36 × 10/72 × 10 = 360/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
5/80 = 5 × 9/80 × 9 = 45/720 - Add the two like fractions:
360/720 + 45/720 = 360 + 45/720 = 405/720 - 405/720 simplified gives 9/16
- So, 36/72 + 5/80 = 9/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+10/80 36/72+15/80 36/72+25/80 36/72+35/80