Add 12/56 and 40/27
1st number: 12/56, 2nd number: 1 13/27
12/56 + 40/27 is 641/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 27 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
12/56 = 12 × 27/56 × 27 = 324/1512 - Likewise, for the 2nd fraction, since 27 × 56 = 1512,
40/27 = 40 × 56/27 × 56 = 2240/1512 - Add the two like fractions:
324/1512 + 2240/1512 = 324 + 2240/1512 = 2564/1512 - 2564/1512 simplified gives 641/378
- So, 12/56 + 40/27 = 641/378
In mixed form: 1263/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56+40/27 12/56+80/27 12/56+40/54 36/56+40/27 12/56+40/81 60/56+40/27 84/56+40/27