Add 90/36 and 14/20
1st number: 2 18/36, 2nd number: 14/20
90/36 + 14/20 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Add the two like fractions:
450/180 + 126/180 = 450 + 126/180 = 576/180 - 576/180 simplified gives 16/5
- So, 90/36 + 14/20 = 16/5
In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+28/20 90/72+14/20 90/36+14/40 90/36+42/20 90/36+14/60 90/36+70/20 90/36+98/20