Add 6/28 and 90/18
1st number: 6/28, 2nd number: 5 0/18
6/28 + 90/18 is 73/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
6/28 = 6 × 9/28 × 9 = 54/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
90/18 = 90 × 14/18 × 14 = 1260/252 - Add the two like fractions:
54/252 + 1260/252 = 54 + 1260/252 = 1314/252 - 1314/252 simplified gives 73/14
- So, 6/28 + 90/18 = 73/14
In mixed form: 53/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28+90/18 6/56+90/18 6/28+90/36 18/28+90/18 6/84+90/18 6/28+90/54 30/28+90/18 42/28+90/18