Add 72/6 and 90/20
1st number: 12 0/6, 2nd number: 4 10/20
72/6 + 90/20 is 33/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
72/6 = 72 × 10/6 × 10 = 720/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
90/20 = 90 × 3/20 × 3 = 270/60 - Add the two like fractions:
720/60 + 270/60 = 720 + 270/60 = 990/60 - 990/60 simplified gives 33/2
- So, 72/6 + 90/20 = 33/2
In mixed form: 161/2
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