Add 6/16 and 3/20
6/16 + 3/20 is 21/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
6/16 = 6 × 5/16 × 5 = 30/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
3/20 = 3 × 4/20 × 4 = 12/80 - Add the two like fractions:
30/80 + 12/80 = 30 + 12/80 = 42/80 - 42/80 simplified gives 21/40
- So, 6/16 + 3/20 = 21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/16+3/20 6/16+6/20 6/32+3/20 6/16+3/40 18/16+3/20 6/16+9/20 6/48+3/20 6/16+3/60 30/16+3/20 6/16+15/20 6/80+3/20 42/16+3/20 6/16+21/20