Add 18/30 and 98/20
1st number: 18/30, 2nd number: 4 18/20
18/30 + 98/20 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
18/30 = 18 × 2/30 × 2 = 36/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
98/20 = 98 × 3/20 × 3 = 294/60 - Add the two like fractions:
36/60 + 294/60 = 36 + 294/60 = 330/60 - 330/60 simplified gives 11/2
- So, 18/30 + 98/20 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+98/20 18/60+98/20 18/30+98/40 54/30+98/20 18/90+98/20 18/30+98/60 90/30+98/20