Add 18/21 and 16/75
18/21 + 16/75 is 562/525.
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,
18/21 = 18 × 25/21 × 25 = 450/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
16/75 = 16 × 7/75 × 7 = 112/525 - Add the two like fractions:
450/525 + 112/525 = 450 + 112/525 = 562/525 - So, 18/21 + 16/75 = 562/525
In mixed form: 137/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21+16/75 18/21+32/75 18/42+16/75 54/21+16/75 18/21+48/75 18/63+16/75 90/21+16/75 18/21+80/75