Add 30/75 and 14/90
30/75 + 14/90 is 5/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
30/75 = 30 × 6/75 × 6 = 180/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
14/90 = 14 × 5/90 × 5 = 70/450 - Add the two like fractions:
180/450 + 70/450 = 180 + 70/450 = 250/450 - 250/450 simplified gives 5/9
- So, 30/75 + 14/90 = 5/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+14/90 30/75+28/90 90/75+14/90 30/75+42/90 30/75+70/90 30/75+98/90