Add 72/12 and 84/56
1st number: 6 0/12, 2nd number: 1 28/56
72/12 + 84/56 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
72/12 = 72 × 14/12 × 14 = 1008/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
84/56 = 84 × 3/56 × 3 = 252/168 - Add the two like fractions:
1008/168 + 252/168 = 1008 + 252/168 = 1260/168 - 1260/168 simplified gives 15/2
- So, 72/12 + 84/56 = 15/2
In mixed form: 71/2
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