Add 32/18 and 15/20
1st number: 1 14/18, 2nd number: 15/20
32/18 + 15/20 is 91/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
32/18 = 32 × 10/18 × 10 = 320/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
15/20 = 15 × 9/20 × 9 = 135/180 - Add the two like fractions:
320/180 + 135/180 = 320 + 135/180 = 455/180 - 455/180 simplified gives 91/36
- So, 32/18 + 15/20 = 91/36
In mixed form: 219/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/18+15/20 32/18+30/20 32/36+15/20 32/18+15/40 96/18+15/20 32/18+45/20 32/54+15/20 32/18+15/60 32/18+75/20 32/90+15/20