Add 90/28 and 75/36
1st number: 3 6/28, 2nd number: 2 3/36
90/28 + 75/36 is 445/84.
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,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
75/36 = 75 × 7/36 × 7 = 525/252 - Add the two like fractions:
810/252 + 525/252 = 810 + 525/252 = 1335/252 - 1335/252 simplified gives 445/84
- So, 90/28 + 75/36 = 445/84
In mixed form: 525/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+75/36 90/28+75/72 90/84+75/36