Add 56/45 and 80/10
1st number: 1 11/45, 2nd number: 8 0/10
56/45 + 80/10 is 416/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
56/45 = 56 × 2/45 × 2 = 112/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
80/10 = 80 × 9/10 × 9 = 720/90 - Add the two like fractions:
112/90 + 720/90 = 112 + 720/90 = 832/90 - 832/90 simplified gives 416/45
- So, 56/45 + 80/10 = 416/45
In mixed form: 911/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+80/10 56/45+80/20 56/45+80/30 56/45+80/50 56/45+80/70