Add 30/90 and 50/5
1st number: 30/90, 2nd number: 10 0/5
30/90 + 50/5 is 31/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 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 5 × 18 = 90,
50/5 = 50 × 18/5 × 18 = 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 + 50/5 = 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+50/5 30/90+50/10 30/90+50/15 30/90+50/25 30/90+50/35