Add 1/45 and 80/10
1st number: 1/45, 2nd number: 8 0/10
1/45 + 80/10 is 361/45.
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,
1/45 = 1 × 2/45 × 2 = 2/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
80/10 = 80 × 9/10 × 9 = 720/90 - Add the two like fractions:
2/90 + 720/90 = 2 + 720/90 = 722/90 - 722/90 simplified gives 361/45
- So, 1/45 + 80/10 = 361/45
In mixed form: 81/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+80/10 1/90+80/10 1/45+80/20 3/45+80/10 1/45+80/30 5/45+80/10 1/45+80/50 7/45+80/10 1/45+80/70