Add 9/15 and 45/4
1st number: 9/15, 2nd number: 11 1/4
9/15 + 45/4 is 237/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
9/15 = 9 × 4/15 × 4 = 36/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
45/4 = 45 × 15/4 × 15 = 675/60 - Add the two like fractions:
36/60 + 675/60 = 36 + 675/60 = 711/60 - 711/60 simplified gives 237/20
- So, 9/15 + 45/4 = 237/20
In mixed form: 1117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+45/4 9/15+90/4 9/30+45/4 9/15+45/8 27/15+45/4 9/45+45/4 9/15+45/12 45/15+45/4 9/75+45/4 9/15+45/20 63/15+45/4 9/15+45/28