Add 30/12 and 12/56
1st number: 2 6/12, 2nd number: 12/56
30/12 + 12/56 is 19/7.
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,
30/12 = 30 × 14/12 × 14 = 420/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
12/56 = 12 × 3/56 × 3 = 36/168 - Add the two like fractions:
420/168 + 36/168 = 420 + 36/168 = 456/168 - 456/168 simplified gives 19/7
- So, 30/12 + 12/56 = 19/7
In mixed form: 25/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+12/56 30/12+24/56 30/24+12/56 90/12+12/56 30/12+36/56 30/36+12/56 30/12+60/56 30/60+12/56 30/12+84/56 30/84+12/56