Add 40/12 and 72/18
1st number: 3 4/12, 2nd number: 4 0/18
40/12 + 72/18 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
72/18 = 72 × 2/18 × 2 = 144/36 - Add the two like fractions:
120/36 + 144/36 = 120 + 144/36 = 264/36 - 264/36 simplified gives 22/3
- So, 40/12 + 72/18 = 22/3
In mixed form: 71/3
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