Add 72/20 and 20/6
1st number: 3 12/20, 2nd number: 3 2/6
72/20 + 20/6 is 104/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
20/6 = 20 × 10/6 × 10 = 200/60 - Add the two like fractions:
216/60 + 200/60 = 216 + 200/60 = 416/60 - 416/60 simplified gives 104/15
- So, 72/20 + 20/6 = 104/15
In mixed form: 614/15
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