Add 9/45 and 28/4
1st number: 9/45, 2nd number: 7 0/4
9/45 + 28/4 is 36/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
9/45 = 9 × 4/45 × 4 = 36/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
28/4 = 28 × 45/4 × 45 = 1260/180 - Add the two like fractions:
36/180 + 1260/180 = 36 + 1260/180 = 1296/180 - 1296/180 simplified gives 36/5
- So, 9/45 + 28/4 = 36/5
In mixed form: 71/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45+28/4 9/45+56/4 9/90+28/4 9/45+28/8 27/45+28/4 9/45+84/4 9/45+28/12 9/45+28/20 63/45+28/4