Add 12/80 and 9/25
12/80 + 9/25 is 51/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
12/80 = 12 × 5/80 × 5 = 60/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
9/25 = 9 × 16/25 × 16 = 144/400 - Add the two like fractions:
60/400 + 144/400 = 60 + 144/400 = 204/400 - 204/400 simplified gives 51/100
- So, 12/80 + 9/25 = 51/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/80+9/25 12/80+18/25 12/80+9/50 36/80+9/25 12/80+27/25 12/80+9/75 60/80+9/25 12/80+45/25 84/80+9/25 12/80+63/25