Add 40/18 and 14/30
1st number: 2 4/18, 2nd number: 14/30
40/18 + 14/30 is 121/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
14/30 = 14 × 3/30 × 3 = 42/90 - Add the two like fractions:
200/90 + 42/90 = 200 + 42/90 = 242/90 - 242/90 simplified gives 121/45
- So, 40/18 + 14/30 = 121/45
In mixed form: 231/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+14/30 40/18+28/30 40/36+14/30 40/18+14/60 40/18+42/30 40/54+14/30 40/18+14/90 40/18+70/30 40/90+14/30 40/18+98/30