Add 70/42 and 56/28
1st number: 1 28/42, 2nd number: 2 0/28
70/42 + 56/28 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
70/42 = 70 × 2/42 × 2 = 140/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
56/28 = 56 × 3/28 × 3 = 168/84 - Add the two like fractions:
140/84 + 168/84 = 140 + 168/84 = 308/84 - 308/84 simplified gives 11/3
- So, 70/42 + 56/28 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+56/28 70/42+56/84