Add 6/90 and 10/20
6/90 + 10/20 is 17/30.
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,
6/90 = 6 × 2/90 × 2 = 12/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Add the two like fractions:
12/180 + 90/180 = 12 + 90/180 = 102/180 - 102/180 simplified gives 17/30
- So, 6/90 + 10/20 = 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90+10/20 6/90+10/40 18/90+10/20 6/90+30/20 6/90+10/60 30/90+10/20 6/90+50/20 42/90+10/20 6/90+70/20