Add 3/56 and 70/42
1st number: 3/56, 2nd number: 1 28/42
3/56 + 70/42 is 289/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
3/56 = 3 × 3/56 × 3 = 9/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
70/42 = 70 × 4/42 × 4 = 280/168 - Add the two like fractions:
9/168 + 280/168 = 9 + 280/168 = 289/168 - So, 3/56 + 70/42 = 289/168
In mixed form: 1121/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56+70/42 3/56+70/84 9/56+70/42 15/56+70/42 21/56+70/42