Add 90/28 and 72/75
1st number: 3 6/28, 2nd number: 72/75
90/28 + 72/75 is 1461/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
90/28 = 90 × 75/28 × 75 = 6750/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
72/75 = 72 × 28/75 × 28 = 2016/2100 - Add the two like fractions:
6750/2100 + 2016/2100 = 6750 + 2016/2100 = 8766/2100 - 8766/2100 simplified gives 1461/350
- So, 90/28 + 72/75 = 1461/350
In mixed form: 461/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+72/75 90/84+72/75