Add 21/75 and 50/18
1st number: 21/75, 2nd number: 2 14/18
21/75 + 50/18 is 688/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
21/75 = 21 × 6/75 × 6 = 126/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
50/18 = 50 × 25/18 × 25 = 1250/450 - Add the two like fractions:
126/450 + 1250/450 = 126 + 1250/450 = 1376/450 - 1376/450 simplified gives 688/225
- So, 21/75 + 50/18 = 688/225
In mixed form: 313/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75+50/18 21/75+50/36 63/75+50/18 21/75+50/54 21/75+50/90