Add 2/28 and 40/42
2/28 + 40/42 is 43/42.
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,
2/28 = 2 × 3/28 × 3 = 6/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
40/42 = 40 × 2/42 × 2 = 80/84 - Add the two like fractions:
6/84 + 80/84 = 6 + 80/84 = 86/84 - 86/84 simplified gives 43/42
- So, 2/28 + 40/42 = 43/42
In mixed form: 11/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28+40/42 2/28+80/42 2/56+40/42 2/28+40/84 6/28+40/42 2/84+40/42 10/28+40/42 14/28+40/42