Add 21/2 and 36/10
1st number: 10 1/2, 2nd number: 3 6/10
21/2 + 36/10 is 141/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
21/2 = 21 × 5/2 × 5 = 105/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
36/10 = 36 × 1/10 × 1 = 36/10 - Add the two like fractions:
105/10 + 36/10 = 105 + 36/10 = 141/10 - So, 21/2 + 36/10 = 141/10
In mixed form: 141/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+36/10 21/2+72/10 21/4+36/10 21/2+36/20 63/2+36/10 21/6+36/10 21/2+36/30 21/10+36/10 21/2+36/50 21/14+36/10 21/2+36/70