Add 15/3 and 84/80
1st number: 5 0/3, 2nd number: 1 4/80
15/3 + 84/80 is 121/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
15/3 = 15 × 80/3 × 80 = 1200/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
84/80 = 84 × 3/80 × 3 = 252/240 - Add the two like fractions:
1200/240 + 252/240 = 1200 + 252/240 = 1452/240 - 1452/240 simplified gives 121/20
- So, 15/3 + 84/80 = 121/20
In mixed form: 61/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3+84/80 15/6+84/80 45/3+84/80 15/9+84/80 75/3+84/80 15/21+84/80