Add 30/21 and 1/25
1st number: 1 9/21, 2nd number: 1/25
30/21 + 1/25 is 257/175.
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,
1/25 = 1 × 21/25 × 21 = 21/525 - Add the two like fractions:
750/525 + 21/525 = 750 + 21/525 = 771/525 - 771/525 simplified gives 257/175
- So, 30/21 + 1/25 = 257/175
In mixed form: 182/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+1/25 30/21+2/25 30/42+1/25 30/21+1/50 90/21+1/25 30/21+3/25 30/63+1/25 30/21+1/75 30/21+5/25 30/21+7/25