Add 28/16 and 18/54
1st number: 1 12/16, 2nd number: 18/54
28/16 + 18/54 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 16 × 27 = 432,
28/16 = 28 × 27/16 × 27 = 756/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
18/54 = 18 × 8/54 × 8 = 144/432 - Add the two like fractions:
756/432 + 144/432 = 756 + 144/432 = 900/432 - 900/432 simplified gives 25/12
- So, 28/16 + 18/54 = 25/12
In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16+18/54 28/16+36/54 28/32+18/54 84/16+18/54 28/48+18/54 28/16+90/54 28/80+18/54