Add 84/42 and 10/28
1st number: 2 0/42, 2nd number: 10/28
84/42 + 10/28 is 33/14.
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,
84/42 = 84 × 2/42 × 2 = 168/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
10/28 = 10 × 3/28 × 3 = 30/84 - Add the two like fractions:
168/84 + 30/84 = 168 + 30/84 = 198/84 - 198/84 simplified gives 33/14
- So, 84/42 + 10/28 = 33/14
In mixed form: 25/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42+20/28 84/42+10/56 84/42+30/28 84/42+10/84 84/42+50/28 84/42+70/28