Add 3/42 and 10/28
3/42 + 10/28 is 3/7.
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,
10/28 = 10 × 3/28 × 3 = 30/84 - Add the two like fractions:
6/84 + 30/84 = 6 + 30/84 = 36/84 - 36/84 simplified gives 3/7
- So, 3/42 + 10/28 = 3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42+10/28 3/42+20/28 3/84+10/28 3/42+10/56 9/42+10/28 3/42+30/28 3/42+10/84 15/42+10/28 3/42+50/28 21/42+10/28 3/42+70/28