Add 21/4 and 98/25
1st number: 5 1/4, 2nd number: 3 23/25
21/4 + 98/25 is 917/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
21/4 = 21 × 25/4 × 25 = 525/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
98/25 = 98 × 4/25 × 4 = 392/100 - Add the two like fractions:
525/100 + 392/100 = 525 + 392/100 = 917/100 - So, 21/4 + 98/25 = 917/100
In mixed form: 917/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4+98/25 21/8+98/25 21/4+98/50 63/4+98/25 21/12+98/25 21/4+98/75 21/20+98/25 21/28+98/25