Add 90/75 and 10/30
1st number: 1 15/75, 2nd number: 10/30
90/75 + 10/30 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
90/75 = 90 × 2/75 × 2 = 180/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
10/30 = 10 × 5/30 × 5 = 50/150 - Add the two like fractions:
180/150 + 50/150 = 180 + 50/150 = 230/150 - 230/150 simplified gives 23/15
- So, 90/75 + 10/30 = 23/15
In mixed form: 18/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75+20/30 90/75+10/60 90/75+10/90 90/75+50/30 90/75+70/30