Add 6/16 and 45/21
1st number: 6/16, 2nd number: 2 3/21
6/16 + 45/21 is 141/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
6/16 = 6 × 21/16 × 21 = 126/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
45/21 = 45 × 16/21 × 16 = 720/336 - Add the two like fractions:
126/336 + 720/336 = 126 + 720/336 = 846/336 - 846/336 simplified gives 141/56
- So, 6/16 + 45/21 = 141/56
In mixed form: 229/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/16+45/21 6/16+90/21 6/32+45/21 6/16+45/42 18/16+45/21 6/48+45/21 6/16+45/63 30/16+45/21 6/80+45/21 42/16+45/21