Add 4/25 and 40/21
1st number: 4/25, 2nd number: 1 19/21
4/25 + 40/21 is 1084/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
4/25 = 4 × 21/25 × 21 = 84/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
40/21 = 40 × 25/21 × 25 = 1000/525 - Add the two like fractions:
84/525 + 1000/525 = 84 + 1000/525 = 1084/525 - So, 4/25 + 40/21 = 1084/525
In mixed form: 234/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/25+40/21 4/25+80/21 4/50+40/21 4/25+40/42 12/25+40/21 4/75+40/21 4/25+40/63 20/25+40/21 28/25+40/21