Add 30/90 and 30/3
1st number: 30/90, 2nd number: 10 0/3
30/90 + 30/3 is 31/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Likewise, for the 2nd fraction, since 3 × 30 = 90,
30/3 = 30 × 30/3 × 30 = 900/90 - Add the two like fractions:
30/90 + 900/90 = 30 + 900/90 = 930/90 - 930/90 simplified gives 31/3
- So, 30/90 + 30/3 = 31/3
In mixed form: 101/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+30/3 30/90+60/3 30/90+30/6 30/90+90/3 30/90+30/9 30/90+30/15 30/90+30/21