Add 12/90 and 25/50
12/90 + 25/50 is 19/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
12/90 = 12 × 5/90 × 5 = 60/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
25/50 = 25 × 9/50 × 9 = 225/450 - Add the two like fractions:
60/450 + 225/450 = 60 + 225/450 = 285/450 - 285/450 simplified gives 19/30
- So, 12/90 + 25/50 = 19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90+25/50 36/90+25/50 12/90+75/50 60/90+25/50 84/90+25/50