Add 2/90 and 80/45
1st number: 2/90, 2nd number: 1 35/45
2/90 + 80/45 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
2/90 = 2 × 1/90 × 1 = 2/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
80/45 = 80 × 2/45 × 2 = 160/90 - Add the two like fractions:
2/90 + 160/90 = 2 + 160/90 = 162/90 - 162/90 simplified gives 9/5
- So, 2/90 + 80/45 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90+80/45 2/90+80/90 6/90+80/45 10/90+80/45 14/90+80/45