Add 21/18 and 12/50
1st number: 1 3/18, 2nd number: 12/50
21/18 + 12/50 is 211/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
21/18 = 21 × 25/18 × 25 = 525/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
12/50 = 12 × 9/50 × 9 = 108/450 - Add the two like fractions:
525/450 + 108/450 = 525 + 108/450 = 633/450 - 633/450 simplified gives 211/150
- So, 21/18 + 12/50 = 211/150
In mixed form: 161/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/18+12/50 21/18+24/50 21/36+12/50 63/18+12/50 21/18+36/50 21/54+12/50 21/18+60/50 21/90+12/50 21/18+84/50