Add 10/90 and 30/75
10/90 + 30/75 is 23/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
10/90 = 10 × 5/90 × 5 = 50/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
30/75 = 30 × 6/75 × 6 = 180/450 - Add the two like fractions:
50/450 + 180/450 = 50 + 180/450 = 230/450 - 230/450 simplified gives 23/45
- So, 10/90 + 30/75 = 23/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90+30/75 10/90+60/75 30/90+30/75 10/90+90/75 50/90+30/75 70/90+30/75