Add 18/56 and 70/12
1st number: 18/56, 2nd number: 5 10/12
18/56 + 70/12 is 517/84.
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,
18/56 = 18 × 3/56 × 3 = 54/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
70/12 = 70 × 14/12 × 14 = 980/168 - Add the two like fractions:
54/168 + 980/168 = 54 + 980/168 = 1034/168 - 1034/168 simplified gives 517/84
- So, 18/56 + 70/12 = 517/84
In mixed form: 613/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56+70/12 18/56+70/24 54/56+70/12 18/56+70/36 90/56+70/12 18/56+70/60 18/56+70/84