Add 45/15 and 60/18
1st number: 3 0/15, 2nd number: 3 6/18
45/15 + 60/18 is 19/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
45/15 = 45 × 6/15 × 6 = 270/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
60/18 = 60 × 5/18 × 5 = 300/90 - Add the two like fractions:
270/90 + 300/90 = 270 + 300/90 = 570/90 - 570/90 simplified gives 19/3
- So, 45/15 + 60/18 = 19/3
In mixed form: 61/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+60/18 45/30+60/18 45/15+60/36 45/15+60/54 45/75+60/18 45/15+60/90