Add 18/60 and 75/12
1st number: 18/60, 2nd number: 6 3/12
18/60 + 75/12 is 131/20.
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,
18/60 = 18 × 1/60 × 1 = 18/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
75/12 = 75 × 5/12 × 5 = 375/60 - Add the two like fractions:
18/60 + 375/60 = 18 + 375/60 = 393/60 - 393/60 simplified gives 131/20
- So, 18/60 + 75/12 = 131/20
In mixed form: 611/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+75/12 18/60+75/24 54/60+75/12 18/60+75/36 90/60+75/12 18/60+75/60 18/60+75/84