Add 80/10 and 15/4
1st number: 8 0/10, 2nd number: 3 3/4
80/10 + 15/4 is 47/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
80/10 = 80 × 2/10 × 2 = 160/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
15/4 = 15 × 5/4 × 5 = 75/20 - Add the two like fractions:
160/20 + 75/20 = 160 + 75/20 = 235/20 - 235/20 simplified gives 47/4
- So, 80/10 + 15/4 = 47/4
In mixed form: 113/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+30/4 80/20+15/4 80/10+15/8 80/10+45/4 80/30+15/4 80/10+15/12 80/10+75/4 80/50+15/4 80/10+15/20 80/70+15/4 80/10+15/28