Add 30/18 and 56/5
1st number: 1 12/18, 2nd number: 11 1/5
30/18 + 56/5 is 193/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
30/18 = 30 × 5/18 × 5 = 150/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
56/5 = 56 × 18/5 × 18 = 1008/90 - Add the two like fractions:
150/90 + 1008/90 = 150 + 1008/90 = 1158/90 - 1158/90 simplified gives 193/15
- So, 30/18 + 56/5 = 193/15
In mixed form: 1213/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+56/5 30/36+56/5 30/18+56/10 90/18+56/5 30/54+56/5 30/18+56/15 30/90+56/5 30/18+56/25 30/18+56/35