Add 98/20 and 7/90
1st number: 4 18/20, 2nd number: 7/90
98/20 + 7/90 is 224/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 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 90 × 2 = 180,
7/90 = 7 × 2/90 × 2 = 14/180 - Add the two like fractions:
882/180 + 14/180 = 882 + 14/180 = 896/180 - 896/180 simplified gives 224/45
- So, 98/20 + 7/90 = 224/45
In mixed form: 444/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20+14/90 98/40+7/90 98/20+21/90 98/60+7/90 98/20+35/90 98/20+49/90