Add 80/10 and 15/45
1st number: 8 0/10, 2nd number: 15/45
80/10 + 15/45 is 25/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
80/10 = 80 × 9/10 × 9 = 720/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Add the two like fractions:
720/90 + 30/90 = 720 + 30/90 = 750/90 - 750/90 simplified gives 25/3
- So, 80/10 + 15/45 = 25/3
In mixed form: 81/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+30/45 80/20+15/45 80/10+15/90 80/30+15/45 80/10+75/45 80/50+15/45 80/70+15/45