Add 10/8 and 15/30
1st number: 1 2/8, 2nd number: 15/30
10/8 + 15/30 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
10/8 = 10 × 15/8 × 15 = 150/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
15/30 = 15 × 4/30 × 4 = 60/120 - Add the two like fractions:
150/120 + 60/120 = 150 + 60/120 = 210/120 - 210/120 simplified gives 7/4
- So, 10/8 + 15/30 = 7/4
In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+15/30 10/16+15/30 10/8+15/60 30/8+15/30 10/8+45/30 10/24+15/30 10/8+15/90 50/8+15/30 10/8+75/30 10/40+15/30 70/8+15/30 10/56+15/30