Add 18/56 and 72/28
1st number: 18/56, 2nd number: 2 16/28
18/56 + 72/28 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
18/56 = 18 × 1/56 × 1 = 18/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
72/28 = 72 × 2/28 × 2 = 144/56 - Add the two like fractions:
18/56 + 144/56 = 18 + 144/56 = 162/56 - 162/56 simplified gives 81/28
- So, 18/56 + 72/28 = 81/28
In mixed form: 225/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56+72/28 18/56+72/56 54/56+72/28 18/56+72/84 90/56+72/28