Add 12/45 and 35/30
1st number: 12/45, 2nd number: 1 5/30
12/45 + 35/30 is 43/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
12/45 = 12 × 2/45 × 2 = 24/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
35/30 = 35 × 3/30 × 3 = 105/90 - Add the two like fractions:
24/90 + 105/90 = 24 + 105/90 = 129/90 - 129/90 simplified gives 43/30
- So, 12/45 + 35/30 = 43/30
In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45+35/30 12/45+70/30 12/90+35/30 12/45+35/60 36/45+35/30 12/45+35/90 60/45+35/30 84/45+35/30