Add 30/21 and 32/25
1st number: 1 9/21, 2nd number: 1 7/25
30/21 + 32/25 is 474/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
30/21 = 30 × 25/21 × 25 = 750/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
32/25 = 32 × 21/25 × 21 = 672/525 - Add the two like fractions:
750/525 + 672/525 = 750 + 672/525 = 1422/525 - 1422/525 simplified gives 474/175
- So, 30/21 + 32/25 = 474/175
In mixed form: 2124/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+32/25 30/21+64/25 30/42+32/25 30/21+32/50 90/21+32/25 30/21+96/25 30/63+32/25 30/21+32/75