Add 84/72 and 7/18
1st number: 1 12/72, 2nd number: 7/18
84/72 + 7/18 is 14/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
7/18 = 7 × 4/18 × 4 = 28/72 - Add the two like fractions:
84/72 + 28/72 = 84 + 28/72 = 112/72 - 112/72 simplified gives 14/9
- So, 84/72 + 7/18 = 14/9
In mixed form: 15/9
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