Add 30/8 and 10/15
1st number: 3 6/8, 2nd number: 10/15
30/8 + 10/15 is 53/12.
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,
30/8 = 30 × 15/8 × 15 = 450/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
10/15 = 10 × 8/15 × 8 = 80/120 - Add the two like fractions:
450/120 + 80/120 = 450 + 80/120 = 530/120 - 530/120 simplified gives 53/12
- So, 30/8 + 10/15 = 53/12
In mixed form: 45/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+10/15 30/8+20/15 30/16+10/15 30/8+10/30 90/8+10/15 30/8+30/15 30/24+10/15 30/8+10/45 30/8+50/15 30/40+10/15 30/8+10/75 30/8+70/15 30/56+10/15