Add 98/20 and 20/25
1st number: 4 18/20, 2nd number: 20/25
98/20 + 20/25 is 57/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
98/20 = 98 × 5/20 × 5 = 490/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
20/25 = 20 × 4/25 × 4 = 80/100 - Add the two like fractions:
490/100 + 80/100 = 490 + 80/100 = 570/100 - 570/100 simplified gives 57/10
- So, 98/20 + 20/25 = 57/10
In mixed form: 57/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20+40/25 98/40+20/25 98/20+20/50 98/20+60/25 98/60+20/25 98/20+20/75