Add 1/21 and 18/75
1/21 + 18/75 is 151/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
1/21 = 1 × 25/21 × 25 = 25/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
18/75 = 18 × 7/75 × 7 = 126/525 - Add the two like fractions:
25/525 + 126/525 = 25 + 126/525 = 151/525 - So, 1/21 + 18/75 = 151/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+18/75 1/21+36/75 1/42+18/75 3/21+18/75 1/21+54/75 1/63+18/75 5/21+18/75 1/21+90/75 7/21+18/75