Add 12/3 and 75/20
1st number: 4 0/3, 2nd number: 3 15/20
12/3 + 75/20 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
12/3 = 12 × 20/3 × 20 = 240/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
75/20 = 75 × 3/20 × 3 = 225/60 - Add the two like fractions:
240/60 + 225/60 = 240 + 225/60 = 465/60 - 465/60 simplified gives 31/4
- So, 12/3 + 75/20 = 31/4
In mixed form: 73/4
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