Add 18/75 and 16/21
18/75 + 16/21 is 526/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
18/75 = 18 × 7/75 × 7 = 126/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
16/21 = 16 × 25/21 × 25 = 400/525 - Add the two like fractions:
126/525 + 400/525 = 126 + 400/525 = 526/525 - So, 18/75 + 16/21 = 526/525
In mixed form: 11/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75+16/21 18/75+32/21 18/75+16/42 54/75+16/21 18/75+48/21 18/75+16/63 90/75+16/21 18/75+80/21