Add 15/10 and 45/8
1st number: 1 5/10, 2nd number: 5 5/8
15/10 + 45/8 is 57/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
15/10 = 15 × 4/10 × 4 = 60/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
45/8 = 45 × 5/8 × 5 = 225/40 - Add the two like fractions:
60/40 + 225/40 = 60 + 225/40 = 285/40 - 285/40 simplified gives 57/8
- So, 15/10 + 45/8 = 57/8
In mixed form: 71/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+45/8 15/10+90/8 15/20+45/8 15/10+45/16 45/10+45/8 15/30+45/8 15/10+45/24 75/10+45/8 15/50+45/8 15/10+45/40 15/70+45/8 15/10+45/56