Add 16/28 and 18/54
16/28 + 18/54 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
16/28 = 16 × 27/28 × 27 = 432/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
18/54 = 18 × 14/54 × 14 = 252/756 - Add the two like fractions:
432/756 + 252/756 = 432 + 252/756 = 684/756 - 684/756 simplified gives 19/21
- So, 16/28 + 18/54 = 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28+18/54 16/28+36/54 16/56+18/54 48/28+18/54 16/84+18/54 80/28+18/54 16/28+90/54