Add 72/12 and 15/42
1st number: 6 0/12, 2nd number: 15/42
72/12 + 15/42 is 89/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
72/12 = 72 × 7/12 × 7 = 504/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
15/42 = 15 × 2/42 × 2 = 30/84 - Add the two like fractions:
504/84 + 30/84 = 504 + 30/84 = 534/84 - 534/84 simplified gives 89/14
- So, 72/12 + 15/42 = 89/14
In mixed form: 65/14
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