Add 18/8 and 10/15
1st number: 2 2/8, 2nd number: 10/15
18/8 + 10/15 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
18/8 = 18 × 15/8 × 15 = 270/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
10/15 = 10 × 8/15 × 8 = 80/120 - Add the two like fractions:
270/120 + 80/120 = 270 + 80/120 = 350/120 - 350/120 simplified gives 35/12
- So, 18/8 + 10/15 = 35/12
In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+10/15 18/8+20/15 18/16+10/15 18/8+10/30 54/8+10/15 18/8+30/15 18/24+10/15 18/8+10/45 90/8+10/15 18/8+50/15 18/40+10/15 18/8+10/75 18/8+70/15 18/56+10/15