Add 3/42 and 8/28
3/42 + 8/28 is 5/14.
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,
3/42 = 3 × 2/42 × 2 = 6/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
8/28 = 8 × 3/28 × 3 = 24/84 - Add the two like fractions:
6/84 + 24/84 = 6 + 24/84 = 30/84 - 30/84 simplified gives 5/14
- So, 3/42 + 8/28 = 5/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42+8/28 3/42+16/28 3/84+8/28 3/42+8/56 9/42+8/28 3/42+24/28 3/42+8/84 15/42+8/28 3/42+40/28 21/42+8/28 3/42+56/28