Add 1/75 and 3/90
1/75 + 3/90 is 7/150.
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,
1/75 = 1 × 6/75 × 6 = 6/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
3/90 = 3 × 5/90 × 5 = 15/450 - Add the two like fractions:
6/450 + 15/450 = 6 + 15/450 = 21/450 - 21/450 simplified gives 7/150
- So, 1/75 + 3/90 = 7/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/75+3/90 1/75+6/90 3/75+3/90 1/75+9/90 5/75+3/90 1/75+15/90 7/75+3/90 1/75+21/90