Add 2/30 and 15/90
2/30 + 15/90 is 7/30.
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,
2/30 = 2 × 3/30 × 3 = 6/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Add the two like fractions:
6/90 + 15/90 = 6 + 15/90 = 21/90 - 21/90 simplified gives 7/30
- So, 2/30 + 15/90 = 7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+15/90 2/30+30/90 2/60+15/90 6/30+15/90 2/30+45/90 2/90+15/90 10/30+15/90 2/30+75/90 14/30+15/90