Add 12/50 and 21/12
1st number: 12/50, 2nd number: 1 9/12
12/50 + 21/12 is 199/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
12/50 = 12 × 6/50 × 6 = 72/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300 - Add the two like fractions:
72/300 + 525/300 = 72 + 525/300 = 597/300 - 597/300 simplified gives 199/100
- So, 12/50 + 21/12 = 199/100
In mixed form: 199/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/50+21/12 12/50+42/12 12/50+21/24 36/50+21/12 12/50+63/12 12/50+21/36 60/50+21/12 12/50+21/60 84/50+21/12 12/50+21/84