Add 18/35 and 50/90
18/35 + 50/90 is 337/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
18/35 = 18 × 18/35 × 18 = 324/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
50/90 = 50 × 7/90 × 7 = 350/630 - Add the two like fractions:
324/630 + 350/630 = 324 + 350/630 = 674/630 - 674/630 simplified gives 337/315
- So, 18/35 + 50/90 = 337/315
In mixed form: 122/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35+50/90 18/70+50/90 54/35+50/90 90/35+50/90