Add 36/2 and 28/21
1st number: 18 0/2, 2nd number: 1 7/21
36/2 + 28/21 is 58/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
36/2 = 36 × 21/2 × 21 = 756/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
28/21 = 28 × 2/21 × 2 = 56/42 - Add the two like fractions:
756/42 + 56/42 = 756 + 56/42 = 812/42 - 812/42 simplified gives 58/3
- So, 36/2 + 28/21 = 58/3
In mixed form: 191/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2+28/21 36/2+56/21 36/4+28/21 36/2+28/42 36/2+84/21 36/6+28/21 36/2+28/63 36/10+28/21 36/14+28/21