Add 3/2 and 15/45
1st number: 1 1/2, 2nd number: 15/45
3/2 + 15/45 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
3/2 = 3 × 45/2 × 45 = 135/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Add the two like fractions:
135/90 + 30/90 = 135 + 30/90 = 165/90 - 165/90 simplified gives 11/6
- So, 3/2 + 15/45 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+15/45 3/2+30/45 3/4+15/45 3/2+15/90 9/2+15/45 3/6+15/45 15/2+15/45 3/2+75/45 3/10+15/45 21/2+15/45 3/14+15/45