Add 18/72 and 20/9
1st number: 18/72, 2nd number: 2 2/9
18/72 + 20/9 is 89/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
20/9 = 20 × 8/9 × 8 = 160/72 - Add the two like fractions:
18/72 + 160/72 = 18 + 160/72 = 178/72 - 178/72 simplified gives 89/36
- So, 18/72 + 20/9 = 89/36
In mixed form: 217/36
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