Add 36/45 and 14/20
36/45 + 14/20 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
36/45 = 36 × 4/45 × 4 = 144/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Add the two like fractions:
144/180 + 126/180 = 144 + 126/180 = 270/180 - 270/180 simplified gives 3/2
- So, 36/45 + 14/20 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45+14/20 36/45+28/20 36/90+14/20 36/45+14/40 36/45+42/20 36/45+14/60 36/45+70/20 36/45+98/20