Add 15/84 and 48/18
1st number: 15/84, 2nd number: 2 12/18
15/84 + 48/18 is 239/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
15/84 = 15 × 3/84 × 3 = 45/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
48/18 = 48 × 14/18 × 14 = 672/252 - Add the two like fractions:
45/252 + 672/252 = 45 + 672/252 = 717/252 - 717/252 simplified gives 239/84
- So, 15/84 + 48/18 = 239/84
In mixed form: 271/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84+48/18 15/84+96/18 15/84+48/36 45/84+48/18 15/84+48/54 75/84+48/18 15/84+48/90