Add 84/2 and 30/72
1st number: 42 0/2, 2nd number: 30/72
84/2 + 30/72 is 509/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
84/2 = 84 × 36/2 × 36 = 3024/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Add the two like fractions:
3024/72 + 30/72 = 3024 + 30/72 = 3054/72 - 3054/72 simplified gives 509/12
- So, 84/2 + 30/72 = 509/12
In mixed form: 425/12
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