Add 81/3 and 15/60
1st number: 27 0/3, 2nd number: 15/60
81/3 + 15/60 is 109/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
81/3 = 81 × 20/3 × 20 = 1620/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
15/60 = 15 × 1/60 × 1 = 15/60 - Add the two like fractions:
1620/60 + 15/60 = 1620 + 15/60 = 1635/60 - 1635/60 simplified gives 109/4
- So, 81/3 + 15/60 = 109/4
In mixed form: 271/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3+30/60 81/6+15/60 81/3+45/60 81/9+15/60 81/3+75/60 81/15+15/60 81/21+15/60