Add 20/72 and 84/9
1st number: 20/72, 2nd number: 9 3/9
20/72 + 84/9 is 173/18.
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,
20/72 = 20 × 1/72 × 1 = 20/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
84/9 = 84 × 8/9 × 8 = 672/72 - Add the two like fractions:
20/72 + 672/72 = 20 + 672/72 = 692/72 - 692/72 simplified gives 173/18
- So, 20/72 + 84/9 = 173/18
In mixed form: 911/18
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