Add 6/20 and 5/90
6/20 + 5/90 is 16/45.
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,
5/90 = 5 × 2/90 × 2 = 10/180 - Add the two like fractions:
54/180 + 10/180 = 54 + 10/180 = 64/180 - 64/180 simplified gives 16/45
- So, 6/20 + 5/90 = 16/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+5/90 6/20+10/90 6/40+5/90 18/20+5/90 6/20+15/90 6/60+5/90 30/20+5/90 6/20+25/90 42/20+5/90 6/20+35/90