Add 5/42 and 8/28
5/42 + 8/28 is 17/42.
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,
5/42 = 5 × 2/42 × 2 = 10/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
8/28 = 8 × 3/28 × 3 = 24/84 - Add the two like fractions:
10/84 + 24/84 = 10 + 24/84 = 34/84 - 34/84 simplified gives 17/42
- So, 5/42 + 8/28 = 17/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42+8/28 5/42+16/28 5/84+8/28 5/42+8/56 15/42+8/28 5/42+24/28 5/42+8/84 25/42+8/28 5/42+40/28 35/42+8/28 5/42+56/28