Add 12/75 and 10/90
12/75 + 10/90 is 61/225.
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,
12/75 = 12 × 6/75 × 6 = 72/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
10/90 = 10 × 5/90 × 5 = 50/450 - Add the two like fractions:
72/450 + 50/450 = 72 + 50/450 = 122/450 - 122/450 simplified gives 61/225
- So, 12/75 + 10/90 = 61/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/75+10/90 12/75+20/90 36/75+10/90 12/75+30/90 60/75+10/90 12/75+50/90 84/75+10/90 12/75+70/90