Add 5/28 and 9/42
5/28 + 9/42 is 11/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
5/28 = 5 × 3/28 × 3 = 15/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
9/42 = 9 × 2/42 × 2 = 18/84 - Add the two like fractions:
15/84 + 18/84 = 15 + 18/84 = 33/84 - 33/84 simplified gives 11/28
- So, 5/28 + 9/42 = 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/28+9/42 5/28+18/42 5/56+9/42 5/28+9/84 15/28+9/42 5/28+27/42 5/84+9/42 25/28+9/42 5/28+45/42 35/28+9/42 5/28+63/42