Add 36/90 and 98/20
1st number: 36/90, 2nd number: 4 18/20
36/90 + 98/20 is 53/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
36/90 = 36 × 2/90 × 2 = 72/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
98/20 = 98 × 9/20 × 9 = 882/180 - Add the two like fractions:
72/180 + 882/180 = 72 + 882/180 = 954/180 - 954/180 simplified gives 53/10
- So, 36/90 + 98/20 = 53/10
In mixed form: 53/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90+98/20 36/90+98/40 36/90+98/60