Add 21/16 and 9/6
1st number: 1 5/16, 2nd number: 1 3/6
21/16 + 9/6 is 45/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 6 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
21/16 = 21 × 3/16 × 3 = 63/48 - Likewise, for the 2nd fraction, since 6 × 8 = 48,
9/6 = 9 × 8/6 × 8 = 72/48 - Add the two like fractions:
63/48 + 72/48 = 63 + 72/48 = 135/48 - 135/48 simplified gives 45/16
- So, 21/16 + 9/6 = 45/16
In mixed form: 213/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16+9/6 21/16+18/6 21/32+9/6 21/16+9/12 63/16+9/6 21/16+27/6 21/48+9/6 21/16+9/18 21/16+45/6 21/80+9/6 21/16+9/30 21/16+63/6 21/16+9/42