Add 12/84 and 56/36
1st number: 12/84, 2nd number: 1 20/36
12/84 + 56/36 is 107/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
12/84 = 12 × 3/84 × 3 = 36/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
56/36 = 56 × 7/36 × 7 = 392/252 - Add the two like fractions:
36/252 + 392/252 = 36 + 392/252 = 428/252 - 428/252 simplified gives 107/63
- So, 12/84 + 56/36 = 107/63
In mixed form: 144/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/84+56/36 12/84+56/72 36/84+56/36 60/84+56/36