Add 18/28 and 54/14
1st number: 18/28, 2nd number: 3 12/14
18/28 + 54/14 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
18/28 = 18 × 1/28 × 1 = 18/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
54/14 = 54 × 2/14 × 2 = 108/28 - Add the two like fractions:
18/28 + 108/28 = 18 + 108/28 = 126/28 - 126/28 simplified gives 9/2
- So, 18/28 + 54/14 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+54/14 18/56+54/14 18/28+54/28 54/28+54/14 18/84+54/14 18/28+54/42 90/28+54/14 18/28+54/70 18/28+54/98