Add 15/2 and 84/4
1st number: 7 1/2, 2nd number: 21 0/4
15/2 + 84/4 is 57/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
15/2 = 15 × 2/2 × 2 = 30/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
84/4 = 84 × 1/4 × 1 = 84/4 - Add the two like fractions:
30/4 + 84/4 = 30 + 84/4 = 114/4 - 114/4 simplified gives 57/2
- So, 15/2 + 84/4 = 57/2
In mixed form: 281/2
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