Add 12/3 and 9/40
1st number: 4 0/3, 2nd number: 9/40
12/3 + 9/40 is 169/40.
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,
9/40 = 9 × 3/40 × 3 = 27/120 - Add the two like fractions:
480/120 + 27/120 = 480 + 27/120 = 507/120 - 507/120 simplified gives 169/40
- So, 12/3 + 9/40 = 169/40
In mixed form: 49/40
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