Add 56/30 and 15/18
1st number: 1 26/30, 2nd number: 15/18
56/30 + 15/18 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
56/30 = 56 × 3/30 × 3 = 168/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Add the two like fractions:
168/90 + 75/90 = 168 + 75/90 = 243/90 - 243/90 simplified gives 27/10
- So, 56/30 + 15/18 = 27/10
In mixed form: 27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+30/18 56/60+15/18 56/30+15/36 56/30+45/18 56/90+15/18 56/30+15/54 56/30+75/18 56/30+15/90