Add 72/28 and 18/14
1st number: 2 16/28, 2nd number: 1 4/14
72/28 + 18/14 is 27/7.
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,
72/28 = 72 × 1/28 × 1 = 72/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
18/14 = 18 × 2/14 × 2 = 36/28 - Add the two like fractions:
72/28 + 36/28 = 72 + 36/28 = 108/28 - 108/28 simplified gives 27/7
- So, 72/28 + 18/14 = 27/7
In mixed form: 36/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+36/14 72/56+18/14 72/28+18/28 72/28+54/14 72/84+18/14 72/28+18/42 72/28+90/14 72/28+18/70 72/28+18/98