Add 98/20 and 9/45
1st number: 4 18/20, 2nd number: 9/45
98/20 + 9/45 is 51/10.
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,
98/20 = 98 × 9/20 × 9 = 882/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
9/45 = 9 × 4/45 × 4 = 36/180 - Add the two like fractions:
882/180 + 36/180 = 882 + 36/180 = 918/180 - 918/180 simplified gives 51/10
- So, 98/20 + 9/45 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20+18/45 98/40+9/45 98/20+9/90 98/20+27/45 98/60+9/45 98/20+63/45