Add 21/50 and 12/14
21/50 + 12/14 is 447/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 14 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
21/50 = 21 × 7/50 × 7 = 147/350 - Likewise, for the 2nd fraction, since 14 × 25 = 350,
12/14 = 12 × 25/14 × 25 = 300/350 - Add the two like fractions:
147/350 + 300/350 = 147 + 300/350 = 447/350 - So, 21/50 + 12/14 = 447/350
In mixed form: 197/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50+12/14 21/50+24/14 21/50+12/28 63/50+12/14 21/50+36/14 21/50+12/42 21/50+60/14 21/50+12/70 21/50+84/14 21/50+12/98