Add 20/90 and 14/5
1st number: 20/90, 2nd number: 2 4/5
20/90 + 14/5 is 136/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
14/5 = 14 × 18/5 × 18 = 252/90 - Add the two like fractions:
20/90 + 252/90 = 20 + 252/90 = 272/90 - 272/90 simplified gives 136/45
- So, 20/90 + 14/5 = 136/45
In mixed form: 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90+14/5 20/90+28/5 20/90+14/10 60/90+14/5 20/90+42/5 20/90+14/15 20/90+70/5 20/90+14/25 20/90+98/5 20/90+14/35