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