Add 54/15 and 75/60
1st number: 3 9/15, 2nd number: 1 15/60
54/15 + 75/60 is 97/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
54/15 = 54 × 4/15 × 4 = 216/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
75/60 = 75 × 1/60 × 1 = 75/60 - Add the two like fractions:
216/60 + 75/60 = 216 + 75/60 = 291/60 - 291/60 simplified gives 97/20
- So, 54/15 + 75/60 = 97/20
In mixed form: 417/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+75/60 54/45+75/60 54/75+75/60