Add 72/12 and 18/20
1st number: 6 0/12, 2nd number: 18/20
72/12 + 18/20 is 69/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
72/12 = 72 × 5/12 × 5 = 360/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Add the two like fractions:
360/60 + 54/60 = 360 + 54/60 = 414/60 - 414/60 simplified gives 69/10
- So, 72/12 + 18/20 = 69/10
In mixed form: 69/10
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