Add 75/28 and 75/90
1st number: 2 19/28, 2nd number: 75/90
75/28 + 75/90 is 295/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
75/28 = 75 × 45/28 × 45 = 3375/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
75/90 = 75 × 14/90 × 14 = 1050/1260 - Add the two like fractions:
3375/1260 + 1050/1260 = 3375 + 1050/1260 = 4425/1260 - 4425/1260 simplified gives 295/84
- So, 75/28 + 75/90 = 295/84
In mixed form: 343/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/56+75/90 75/84+75/90