Add 4/75 and 80/90
4/75 + 80/90 is 212/225.
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,
4/75 = 4 × 6/75 × 6 = 24/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
80/90 = 80 × 5/90 × 5 = 400/450 - Add the two like fractions:
24/450 + 400/450 = 24 + 400/450 = 424/450 - 424/450 simplified gives 212/225
- So, 4/75 + 80/90 = 212/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/75+80/90 12/75+80/90 20/75+80/90 28/75+80/90