Add 40/12 and 30/56
1st number: 3 4/12, 2nd number: 30/56
40/12 + 30/56 is 325/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
40/12 = 40 × 14/12 × 14 = 560/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
30/56 = 30 × 3/56 × 3 = 90/168 - Add the two like fractions:
560/168 + 90/168 = 560 + 90/168 = 650/168 - 650/168 simplified gives 325/84
- So, 40/12 + 30/56 = 325/84
In mixed form: 373/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+30/56 40/12+60/56 40/24+30/56 40/12+90/56 40/36+30/56 40/60+30/56 40/84+30/56