Add 54/16 and 18/12
1st number: 3 6/16, 2nd number: 1 6/12
54/16 + 18/12 is 39/8.
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,
54/16 = 54 × 3/16 × 3 = 162/48 - Likewise, for the 2nd fraction, since 12 × 4 = 48,
18/12 = 18 × 4/12 × 4 = 72/48 - Add the two like fractions:
162/48 + 72/48 = 162 + 72/48 = 234/48 - 234/48 simplified gives 39/8
- So, 54/16 + 18/12 = 39/8
In mixed form: 47/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/16+36/12 54/32+18/12 54/16+18/24 54/16+54/12 54/48+18/12 54/16+18/36 54/16+90/12 54/80+18/12 54/16+18/60 54/16+18/84