Add 75/20 and 40/12
1st number: 3 15/20, 2nd number: 3 4/12
75/20 + 40/12 is 85/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
75/20 = 75 × 3/20 × 3 = 225/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Add the two like fractions:
225/60 + 200/60 = 225 + 200/60 = 425/60 - 425/60 simplified gives 85/12
- So, 75/20 + 40/12 = 85/12
In mixed form: 71/12
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