Add 16/20 and 3/90
16/20 + 3/90 is 5/6.
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,
16/20 = 16 × 9/20 × 9 = 144/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Add the two like fractions:
144/180 + 6/180 = 144 + 6/180 = 150/180 - 150/180 simplified gives 5/6
- So, 16/20 + 3/90 = 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/20+3/90 16/20+6/90 16/40+3/90 48/20+3/90 16/20+9/90 16/60+3/90 80/20+3/90 16/20+15/90 16/20+21/90