Add 84/18 and 7/72
1st number: 4 12/18, 2nd number: 7/72
84/18 + 7/72 is 343/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
84/18 = 84 × 4/18 × 4 = 336/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Add the two like fractions:
336/72 + 7/72 = 336 + 7/72 = 343/72 - So, 84/18 + 7/72 = 343/72
In mixed form: 455/72
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