Add 80/4 and 98/20
1st number: 20 0/4, 2nd number: 4 18/20
80/4 + 98/20 is 249/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
80/4 = 80 × 5/4 × 5 = 400/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
98/20 = 98 × 1/20 × 1 = 98/20 - Add the two like fractions:
400/20 + 98/20 = 400 + 98/20 = 498/20 - 498/20 simplified gives 249/10
- So, 80/4 + 98/20 = 249/10
In mixed form: 249/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+98/20 80/4+98/40 80/12+98/20 80/4+98/60 80/20+98/20 80/28+98/20