Add 45/60 and 45/12
1st number: 45/60, 2nd number: 3 9/12
45/60 + 45/12 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
45/60 = 45 × 1/60 × 1 = 45/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60 - Add the two like fractions:
45/60 + 225/60 = 45 + 225/60 = 270/60 - 270/60 simplified gives 9/2
- So, 45/60 + 45/12 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+45/12 45/60+90/12 45/60+45/24 45/60+45/36 45/60+45/60 45/60+45/84