Add 21/2 and 81/25
1st number: 10 1/2, 2nd number: 3 6/25
21/2 + 81/25 is 687/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
21/2 = 21 × 25/2 × 25 = 525/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
81/25 = 81 × 2/25 × 2 = 162/50 - Add the two like fractions:
525/50 + 162/50 = 525 + 162/50 = 687/50 - So, 21/2 + 81/25 = 687/50
In mixed form: 1337/50
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