Add 1/45 and 49/20
1st number: 1/45, 2nd number: 2 9/20
1/45 + 49/20 is 89/36.
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,
1/45 = 1 × 4/45 × 4 = 4/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
49/20 = 49 × 9/20 × 9 = 441/180 - Add the two like fractions:
4/180 + 441/180 = 4 + 441/180 = 445/180 - 445/180 simplified gives 89/36
- So, 1/45 + 49/20 = 89/36
In mixed form: 217/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+49/20 1/45+98/20 1/90+49/20 1/45+49/40 3/45+49/20 1/45+49/60 5/45+49/20 7/45+49/20