Add 14/35 and 30/90
14/35 + 30/90 is 11/15.
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,
14/35 = 14 × 18/35 × 18 = 252/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
30/90 = 30 × 7/90 × 7 = 210/630 - Add the two like fractions:
252/630 + 210/630 = 252 + 210/630 = 462/630 - 462/630 simplified gives 11/15
- So, 14/35 + 30/90 = 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/35+30/90 14/35+60/90 14/70+30/90 42/35+30/90 70/35+30/90 98/35+30/90