Add 75/90 and 84/28
1st number: 75/90, 2nd number: 3 0/28
75/90 + 84/28 is 23/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
75/90 = 75 × 14/90 × 14 = 1050/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
84/28 = 84 × 45/28 × 45 = 3780/1260 - Add the two like fractions:
1050/1260 + 3780/1260 = 1050 + 3780/1260 = 4830/1260 - 4830/1260 simplified gives 23/6
- So, 75/90 + 84/28 = 23/6
In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/90+84/56