Add 81/2 and 10/5
1st number: 40 1/2, 2nd number: 2 0/5
81/2 + 10/5 is 85/2.
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,
81/2 = 81 × 5/2 × 5 = 405/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
10/5 = 10 × 2/5 × 2 = 20/10 - Add the two like fractions:
405/10 + 20/10 = 405 + 20/10 = 425/10 - 425/10 simplified gives 85/2
- So, 81/2 + 10/5 = 85/2
In mixed form: 421/2
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