Add 9/72 and 20/12
1st number: 9/72, 2nd number: 1 8/12
9/72 + 20/12 is 43/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
20/12 = 20 × 6/12 × 6 = 120/72 - Add the two like fractions:
9/72 + 120/72 = 9 + 120/72 = 129/72 - 129/72 simplified gives 43/24
- So, 9/72 + 20/12 = 43/24
In mixed form: 119/24
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