Add 2/20 and 16/90
2/20 + 16/90 is 5/18.
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,
2/20 = 2 × 9/20 × 9 = 18/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
16/90 = 16 × 2/90 × 2 = 32/180 - Add the two like fractions:
18/180 + 32/180 = 18 + 32/180 = 50/180 - 50/180 simplified gives 5/18
- So, 2/20 + 16/90 = 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+16/90 2/20+32/90 2/40+16/90 6/20+16/90 2/20+48/90 2/60+16/90 10/20+16/90 2/20+80/90 14/20+16/90