Add 5/42 and 70/56
1st number: 5/42, 2nd number: 1 14/56
5/42 + 70/56 is 115/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
5/42 = 5 × 4/42 × 4 = 20/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
70/56 = 70 × 3/56 × 3 = 210/168 - Add the two like fractions:
20/168 + 210/168 = 20 + 210/168 = 230/168 - 230/168 simplified gives 115/84
- So, 5/42 + 70/56 = 115/84
In mixed form: 131/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42+70/56 5/84+70/56 15/42+70/56 25/42+70/56 35/42+70/56