Add 84/18 and 8/72
1st number: 4 12/18, 2nd number: 8/72
84/18 + 8/72 is 43/9.
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,
8/72 = 8 × 1/72 × 1 = 8/72 - Add the two like fractions:
336/72 + 8/72 = 336 + 8/72 = 344/72 - 344/72 simplified gives 43/9
- So, 84/18 + 8/72 = 43/9
In mixed form: 47/9
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