Add 36/90 and 45/60
36/90 + 45/60 is 23/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
36/90 = 36 × 2/90 × 2 = 72/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
45/60 = 45 × 3/60 × 3 = 135/180 - Add the two like fractions:
72/180 + 135/180 = 72 + 135/180 = 207/180 - 207/180 simplified gives 23/20
- So, 36/90 + 45/60 = 23/20
In mixed form: 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90+45/60 36/90+90/60