Add 30/2 and 15/45
1st number: 15 0/2, 2nd number: 15/45
30/2 + 15/45 is 46/3.
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,
30/2 = 30 × 45/2 × 45 = 1350/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Add the two like fractions:
1350/90 + 30/90 = 1350 + 30/90 = 1380/90 - 1380/90 simplified gives 46/3
- So, 30/2 + 15/45 = 46/3
In mixed form: 151/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+15/45 30/2+30/45 30/4+15/45 30/2+15/90 90/2+15/45 30/6+15/45 30/2+75/45 30/10+15/45 30/14+15/45