Add 30/10 and 18/30
1st number: 3 0/10, 2nd number: 18/30
30/10 + 18/30 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
30/10 = 30 × 3/10 × 3 = 90/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Add the two like fractions:
90/30 + 18/30 = 90 + 18/30 = 108/30 - 108/30 simplified gives 18/5
- So, 30/10 + 18/30 = 18/5
In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+18/30 30/10+36/30 30/20+18/30 30/10+18/60 90/10+18/30 30/10+54/30 30/10+18/90 30/10+90/30 30/50+18/30 30/70+18/30