Add 30/75 and 2/90
30/75 + 2/90 is 19/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
30/75 = 30 × 6/75 × 6 = 180/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
2/90 = 2 × 5/90 × 5 = 10/450 - Add the two like fractions:
180/450 + 10/450 = 180 + 10/450 = 190/450 - 190/450 simplified gives 19/45
- So, 30/75 + 2/90 = 19/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+2/90 30/75+4/90 90/75+2/90 30/75+6/90 30/75+10/90 30/75+14/90