Add 6/75 and 75/21
1st number: 6/75, 2nd number: 3 12/21
6/75 + 75/21 is 639/175.
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,
6/75 = 6 × 7/75 × 7 = 42/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
75/21 = 75 × 25/21 × 25 = 1875/525 - Add the two like fractions:
42/525 + 1875/525 = 42 + 1875/525 = 1917/525 - 1917/525 simplified gives 639/175
- So, 6/75 + 75/21 = 639/175
In mixed form: 3114/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/75+75/21 6/75+75/42 18/75+75/21 6/75+75/63 30/75+75/21 42/75+75/21