Add 75/30 and 5/90
1st number: 2 15/30, 2nd number: 5/90
75/30 + 5/90 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
75/30 = 75 × 3/30 × 3 = 225/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
5/90 = 5 × 1/90 × 1 = 5/90 - Add the two like fractions:
225/90 + 5/90 = 225 + 5/90 = 230/90 - 230/90 simplified gives 23/9
- So, 75/30 + 5/90 = 23/9
In mixed form: 25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30+10/90 75/60+5/90 75/30+15/90 75/90+5/90 75/30+25/90 75/30+35/90