Add 21/6 and 20/16
1st number: 3 3/6, 2nd number: 1 4/16
21/6 + 20/16 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 6 × 8 = 48,
21/6 = 21 × 8/6 × 8 = 168/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
20/16 = 20 × 3/16 × 3 = 60/48 - Add the two like fractions:
168/48 + 60/48 = 168 + 60/48 = 228/48 - 228/48 simplified gives 19/4
- So, 21/6 + 20/16 = 19/4
In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+20/16 21/6+40/16 21/12+20/16 21/6+20/32 63/6+20/16 21/6+60/16 21/18+20/16 21/6+20/48 21/30+20/16 21/6+20/80 21/42+20/16