Add 28/4 and 18/84
1st number: 7 0/4, 2nd number: 18/84
28/4 + 18/84 is 101/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 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 84 × 1 = 84,
18/84 = 18 × 1/84 × 1 = 18/84 - Add the two like fractions:
588/84 + 18/84 = 588 + 18/84 = 606/84 - 606/84 simplified gives 101/14
- So, 28/4 + 18/84 = 101/14
In mixed form: 73/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+18/84 28/4+36/84 28/8+18/84 84/4+18/84 28/4+54/84 28/12+18/84 28/4+90/84 28/20+18/84