Add 12/50 and 30/90
12/50 + 30/90 is 43/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
12/50 = 12 × 9/50 × 9 = 108/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
30/90 = 30 × 5/90 × 5 = 150/450 - Add the two like fractions:
108/450 + 150/450 = 108 + 150/450 = 258/450 - 258/450 simplified gives 43/75
- So, 12/50 + 30/90 = 43/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/50+30/90 12/50+60/90 36/50+30/90 60/50+30/90 84/50+30/90