Add 98/25 and 20/21
1st number: 3 23/25, 2nd number: 20/21
98/25 + 20/21 is 2558/525.
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,
98/25 = 98 × 21/25 × 21 = 2058/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
20/21 = 20 × 25/21 × 25 = 500/525 - Add the two like fractions:
2058/525 + 500/525 = 2058 + 500/525 = 2558/525 - So, 98/25 + 20/21 = 2558/525
In mixed form: 4458/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/25+40/21 98/50+20/21 98/25+20/42 98/25+60/21 98/75+20/21 98/25+20/63