Add 21/2 and 32/5
1st number: 10 1/2, 2nd number: 6 2/5
21/2 + 32/5 is 169/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 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 5 × 2 = 10,
32/5 = 32 × 2/5 × 2 = 64/10 - Add the two like fractions:
105/10 + 64/10 = 105 + 64/10 = 169/10 - So, 21/2 + 32/5 = 169/10
In mixed form: 169/10
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