Add 36/72 and 9/20
36/72 + 9/20 is 19/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
36/72 = 36 × 5/72 × 5 = 180/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
9/20 = 9 × 18/20 × 18 = 162/360 - Add the two like fractions:
180/360 + 162/360 = 180 + 162/360 = 342/360 - 342/360 simplified gives 19/20
- So, 36/72 + 9/20 = 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+18/20 36/72+9/40 36/72+27/20 36/72+9/60 36/72+45/20 36/72+63/20