Add 18/16 and 3/12
1st number: 1 2/16, 2nd number: 3/12
18/16 + 3/12 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 12 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
18/16 = 18 × 3/16 × 3 = 54/48 - Likewise, for the 2nd fraction, since 12 × 4 = 48,
3/12 = 3 × 4/12 × 4 = 12/48 - Add the two like fractions:
54/48 + 12/48 = 54 + 12/48 = 66/48 - 66/48 simplified gives 11/8
- So, 18/16 + 3/12 = 11/8
In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16+3/12 18/16+6/12 18/32+3/12 18/16+3/24 54/16+3/12 18/16+9/12 18/48+3/12 18/16+3/36 90/16+3/12 18/16+15/12 18/80+3/12 18/16+3/60 18/16+21/12 18/16+3/84