Add 2/21 and 30/25
1st number: 2/21, 2nd number: 1 5/25
2/21 + 30/25 is 136/105.
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,
2/21 = 2 × 25/21 × 25 = 50/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
30/25 = 30 × 21/25 × 21 = 630/525 - Add the two like fractions:
50/525 + 630/525 = 50 + 630/525 = 680/525 - 680/525 simplified gives 136/105
- So, 2/21 + 30/25 = 136/105
In mixed form: 131/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21+30/25 2/21+60/25 2/42+30/25 2/21+30/50 6/21+30/25 2/21+90/25 2/63+30/25 2/21+30/75 10/21+30/25 14/21+30/25