Add 3/20 and 98/45
1st number: 3/20, 2nd number: 2 8/45
3/20 + 98/45 is 419/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
98/45 = 98 × 4/45 × 4 = 392/180 - Add the two like fractions:
27/180 + 392/180 = 27 + 392/180 = 419/180 - So, 3/20 + 98/45 = 419/180
In mixed form: 259/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+98/45 3/40+98/45 3/20+98/90 9/20+98/45 3/60+98/45 15/20+98/45 21/20+98/45