Add 40/28 and 18/36
1st number: 1 12/28, 2nd number: 18/36
40/28 + 18/36 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
40/28 = 40 × 9/28 × 9 = 360/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Add the two like fractions:
360/252 + 126/252 = 360 + 126/252 = 486/252 - 486/252 simplified gives 27/14
- So, 40/28 + 18/36 = 27/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28+18/36 40/56+18/36 40/28+18/72 40/28+54/36 40/84+18/36 40/28+90/36