Add 72/4 and 3/12
1st number: 18 0/4, 2nd number: 3/12
72/4 + 3/12 is 73/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
72/4 = 72 × 3/4 × 3 = 216/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
3/12 = 3 × 1/12 × 1 = 3/12 - Add the two like fractions:
216/12 + 3/12 = 216 + 3/12 = 219/12 - 219/12 simplified gives 73/4
- So, 72/4 + 3/12 = 73/4
In mixed form: 181/4
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