Add 35/90 and 90/45
1st number: 35/90, 2nd number: 2 0/45
35/90 + 90/45 is 43/18.
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,
35/90 = 35 × 1/90 × 1 = 35/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
90/45 = 90 × 2/45 × 2 = 180/90 - Add the two like fractions:
35/90 + 180/90 = 35 + 180/90 = 215/90 - 215/90 simplified gives 43/18
- So, 35/90 + 90/45 = 43/18
In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90+90/45