Add 35/90 and 6/20
35/90 + 6/20 is 31/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
35/90 = 35 × 2/90 × 2 = 70/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
6/20 = 6 × 9/20 × 9 = 54/180 - Add the two like fractions:
70/180 + 54/180 = 70 + 54/180 = 124/180 - 124/180 simplified gives 31/45
- So, 35/90 + 6/20 = 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90+6/20 35/90+12/20 35/90+6/40 35/90+18/20 35/90+6/60 35/90+30/20 35/90+42/20