Add 36/56 and 20/12
1st number: 36/56, 2nd number: 1 8/12
36/56 + 20/12 is 97/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 12 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
36/56 = 36 × 3/56 × 3 = 108/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
20/12 = 20 × 14/12 × 14 = 280/168 - Add the two like fractions:
108/168 + 280/168 = 108 + 280/168 = 388/168 - 388/168 simplified gives 97/42
- So, 36/56 + 20/12 = 97/42
In mixed form: 213/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/56+20/12 36/56+40/12 36/56+20/24 36/56+60/12 36/56+20/36 36/56+20/60 36/56+20/84