Add 3/45 and 45/30
1st number: 3/45, 2nd number: 1 15/30
3/45 + 45/30 is 47/30.
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,
3/45 = 3 × 2/45 × 2 = 6/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
45/30 = 45 × 3/30 × 3 = 135/90 - Add the two like fractions:
6/90 + 135/90 = 6 + 135/90 = 141/90 - 141/90 simplified gives 47/30
- So, 3/45 + 45/30 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+45/30 3/45+90/30 3/90+45/30 3/45+45/60 9/45+45/30 3/45+45/90 15/45+45/30 21/45+45/30