Add 21/12 and 1/75
1st number: 1 9/12, 2nd number: 1/75
21/12 + 1/75 is 529/300.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
1/75 = 1 × 4/75 × 4 = 4/300 - Add the two like fractions:
525/300 + 4/300 = 525 + 4/300 = 529/300 - So, 21/12 + 1/75 = 529/300
In mixed form: 1229/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/12+1/75 21/12+2/75 21/24+1/75 63/12+1/75 21/12+3/75 21/36+1/75 21/12+5/75 21/60+1/75 21/12+7/75 21/84+1/75