Add 10/2 and 36/21
1st number: 5 0/2, 2nd number: 1 15/21
10/2 + 36/21 is 47/7.
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,
10/2 = 10 × 21/2 × 21 = 210/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
36/21 = 36 × 2/21 × 2 = 72/42 - Add the two like fractions:
210/42 + 72/42 = 210 + 72/42 = 282/42 - 282/42 simplified gives 47/7
- So, 10/2 + 36/21 = 47/7
In mixed form: 65/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2+36/21 10/2+72/21 10/4+36/21 10/2+36/42 30/2+36/21 10/6+36/21 10/2+36/63 50/2+36/21 70/2+36/21 10/14+36/21