Add 20/18 and 98/30
1st number: 1 2/18, 2nd number: 3 8/30
20/18 + 98/30 is 197/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
20/18 = 20 × 5/18 × 5 = 100/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
98/30 = 98 × 3/30 × 3 = 294/90 - Add the two like fractions:
100/90 + 294/90 = 100 + 294/90 = 394/90 - 394/90 simplified gives 197/45
- So, 20/18 + 98/30 = 197/45
In mixed form: 417/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+98/30 20/36+98/30 20/18+98/60 60/18+98/30 20/54+98/30 20/18+98/90 20/90+98/30