Add 3/28 and 1/42
3/28 + 1/42 is 11/84.
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,
3/28 = 3 × 3/28 × 3 = 9/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
1/42 = 1 × 2/42 × 2 = 2/84 - Add the two like fractions:
9/84 + 2/84 = 9 + 2/84 = 11/84 - So, 3/28 + 1/42 = 11/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28+1/42 3/28+2/42 3/56+1/42 3/28+1/84 9/28+1/42 3/28+3/42 3/84+1/42 15/28+1/42 3/28+5/42 21/28+1/42 3/28+7/42