Add 14/90 and 20/15
1st number: 14/90, 2nd number: 1 5/15
14/90 + 20/15 is 67/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
14/90 = 14 × 1/90 × 1 = 14/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
20/15 = 20 × 6/15 × 6 = 120/90 - Add the two like fractions:
14/90 + 120/90 = 14 + 120/90 = 134/90 - 134/90 simplified gives 67/45
- So, 14/90 + 20/15 = 67/45
In mixed form: 122/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/90+20/15 14/90+40/15 14/90+20/30 42/90+20/15 14/90+60/15 14/90+20/45 70/90+20/15 14/90+20/75 98/90+20/15