Add 30/84 and 56/18
1st number: 30/84, 2nd number: 3 2/18
30/84 + 56/18 is 437/126.
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,
30/84 = 30 × 3/84 × 3 = 90/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
56/18 = 56 × 14/18 × 14 = 784/252 - Add the two like fractions:
90/252 + 784/252 = 90 + 784/252 = 874/252 - 874/252 simplified gives 437/126
- So, 30/84 + 56/18 = 437/126
In mixed form: 359/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+56/18 30/84+56/36 90/84+56/18 30/84+56/54 30/84+56/90