Add 54/18 and 12/16
1st number: 3 0/18, 2nd number: 12/16
54/18 + 12/16 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
54/18 = 54 × 8/18 × 8 = 432/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
12/16 = 12 × 9/16 × 9 = 108/144 - Add the two like fractions:
432/144 + 108/144 = 432 + 108/144 = 540/144 - 540/144 simplified gives 15/4
- So, 54/18 + 12/16 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+24/16 54/36+12/16 54/18+12/32 54/18+36/16 54/18+12/48 54/18+60/16 54/90+12/16 54/18+12/80 54/18+84/16