Add 3/45 and 60/30
1st number: 3/45, 2nd number: 2 0/30
3/45 + 60/30 is 31/15.
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,
60/30 = 60 × 3/30 × 3 = 180/90 - Add the two like fractions:
6/90 + 180/90 = 6 + 180/90 = 186/90 - 186/90 simplified gives 31/15
- So, 3/45 + 60/30 = 31/15
In mixed form: 21/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+60/30 3/90+60/30 9/45+60/30 3/45+60/90 15/45+60/30 21/45+60/30