Add 48/84 and 42/18
1st number: 48/84, 2nd number: 2 6/18
48/84 + 42/18 is 61/21.
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,
48/84 = 48 × 3/84 × 3 = 144/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
42/18 = 42 × 14/18 × 14 = 588/252 - Add the two like fractions:
144/252 + 588/252 = 144 + 588/252 = 732/252 - 732/252 simplified gives 61/21
- So, 48/84 + 42/18 = 61/21
In mixed form: 219/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/84+42/18 48/84+84/18 48/84+42/36 48/84+42/54 48/84+42/90