Add 5/2 and 21/12
1st number: 2 1/2, 2nd number: 1 9/12
5/2 + 21/12 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
5/2 = 5 × 6/2 × 6 = 30/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
21/12 = 21 × 1/12 × 1 = 21/12 - Add the two like fractions:
30/12 + 21/12 = 30 + 21/12 = 51/12 - 51/12 simplified gives 17/4
- So, 5/2 + 21/12 = 17/4
In mixed form: 41/4
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