Add 36/45 and 98/20
1st number: 36/45, 2nd number: 4 18/20
36/45 + 98/20 is 57/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
36/45 = 36 × 4/45 × 4 = 144/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
98/20 = 98 × 9/20 × 9 = 882/180 - Add the two like fractions:
144/180 + 882/180 = 144 + 882/180 = 1026/180 - 1026/180 simplified gives 57/10
- So, 36/45 + 98/20 = 57/10
In mixed form: 57/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45+98/20 36/90+98/20 36/45+98/40 36/45+98/60