Add 56/42 and 18/70
1st number: 1 14/42, 2nd number: 18/70
56/42 + 18/70 is 167/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
56/42 = 56 × 5/42 × 5 = 280/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
18/70 = 18 × 3/70 × 3 = 54/210 - Add the two like fractions:
280/210 + 54/210 = 280 + 54/210 = 334/210 - 334/210 simplified gives 167/105
- So, 56/42 + 18/70 = 167/105
In mixed form: 162/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+36/70 56/84+18/70 56/42+54/70 56/42+90/70