Add 10/25 and 98/21
1st number: 10/25, 2nd number: 4 14/21
10/25 + 98/21 is 76/15.
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,
10/25 = 10 × 21/25 × 21 = 210/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
98/21 = 98 × 25/21 × 25 = 2450/525 - Add the two like fractions:
210/525 + 2450/525 = 210 + 2450/525 = 2660/525 - 2660/525 simplified gives 76/15
- So, 10/25 + 98/21 = 76/15
In mixed form: 51/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/25+98/21 10/50+98/21 10/25+98/42 30/25+98/21 10/75+98/21 10/25+98/63 50/25+98/21 70/25+98/21