Add 56/20 and 84/12
1st number: 2 16/20, 2nd number: 7 0/12
56/20 + 84/12 is 49/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
56/20 = 56 × 3/20 × 3 = 168/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
84/12 = 84 × 5/12 × 5 = 420/60 - Add the two like fractions:
168/60 + 420/60 = 168 + 420/60 = 588/60 - 588/60 simplified gives 49/5
- So, 56/20 + 84/12 = 49/5
In mixed form: 94/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40+84/12 56/20+84/24 56/60+84/12 56/20+84/36 56/20+84/60