Add 15/8 and 15/10
1st number: 1 7/8, 2nd number: 1 5/10
15/8 + 15/10 is 27/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
15/8 = 15 × 5/8 × 5 = 75/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
15/10 = 15 × 4/10 × 4 = 60/40 - Add the two like fractions:
75/40 + 60/40 = 75 + 60/40 = 135/40 - 135/40 simplified gives 27/8
- So, 15/8 + 15/10 = 27/8
In mixed form: 33/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/8+15/10 15/8+30/10 15/16+15/10 15/8+15/20 45/8+15/10 15/8+45/10 15/24+15/10 15/8+15/30 75/8+15/10 15/8+75/10 15/40+15/10 15/8+15/50 15/56+15/10 15/8+15/70