Add 1/28 and 2/42
1/28 + 2/42 is 1/12.
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,
1/28 = 1 × 3/28 × 3 = 3/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
2/42 = 2 × 2/42 × 2 = 4/84 - Add the two like fractions:
3/84 + 4/84 = 3 + 4/84 = 7/84 - 7/84 simplified gives 1/12
- So, 1/28 + 2/42 = 1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+2/42 1/28+4/42 1/56+2/42 1/28+2/84 3/28+2/42 1/28+6/42 1/84+2/42 5/28+2/42 1/28+10/42 7/28+2/42 1/28+14/42