Add 12/3 and 30/40
1st number: 4 0/3, 2nd number: 30/40
12/3 + 30/40 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
12/3 = 12 × 40/3 × 40 = 480/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
30/40 = 30 × 3/40 × 3 = 90/120 - Add the two like fractions:
480/120 + 90/120 = 480 + 90/120 = 570/120 - 570/120 simplified gives 19/4
- So, 12/3 + 30/40 = 19/4
In mixed form: 43/4
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