Add 28/4 and 7/42
1st number: 7 0/4, 2nd number: 7/42
28/4 + 7/42 is 43/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
28/4 = 28 × 21/4 × 21 = 588/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
7/42 = 7 × 2/42 × 2 = 14/84 - Add the two like fractions:
588/84 + 14/84 = 588 + 14/84 = 602/84 - 602/84 simplified gives 43/6
- So, 28/4 + 7/42 = 43/6
In mixed form: 71/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+7/42 28/4+14/42 28/8+7/42 28/4+7/84 84/4+7/42 28/4+21/42 28/12+7/42 28/4+35/42 28/20+7/42 28/4+49/42