Add 75/90 and 60/9
1st number: 75/90, 2nd number: 6 6/9
75/90 + 60/9 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
75/90 = 75 × 1/90 × 1 = 75/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
60/9 = 60 × 10/9 × 10 = 600/90 - Add the two like fractions:
75/90 + 600/90 = 75 + 600/90 = 675/90 - 675/90 simplified gives 15/2
- So, 75/90 + 60/9 = 15/2
In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/90+60/18 75/90+60/27 75/90+60/45 75/90+60/63