Add 15/10 and 5/40
1st number: 1 5/10, 2nd number: 5/40
15/10 + 5/40 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 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 40 × 1 = 40,
5/40 = 5 × 1/40 × 1 = 5/40 - Add the two like fractions:
60/40 + 5/40 = 60 + 5/40 = 65/40 - 65/40 simplified gives 13/8
- So, 15/10 + 5/40 = 13/8
In mixed form: 15/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+5/40 15/10+10/40 15/20+5/40 15/10+5/80 45/10+5/40 15/10+15/40 15/30+5/40 75/10+5/40 15/10+25/40 15/50+5/40 15/10+35/40 15/70+5/40