Add 14/30 and 28/90
14/30 + 28/90 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
14/30 = 14 × 3/30 × 3 = 42/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Add the two like fractions:
42/90 + 28/90 = 42 + 28/90 = 70/90 - 70/90 simplified gives 7/9
- So, 14/30 + 28/90 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30+28/90 14/30+56/90 14/60+28/90 42/30+28/90 14/30+84/90 14/90+28/90 70/30+28/90 98/30+28/90