Add 18/9 and 18/72
1st number: 2 0/9, 2nd number: 18/72
18/9 + 18/72 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
18/9 = 18 × 8/9 × 8 = 144/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Add the two like fractions:
144/72 + 18/72 = 144 + 18/72 = 162/72 - 162/72 simplified gives 9/4
- So, 18/9 + 18/72 = 9/4
In mixed form: 21/4
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