Add 12/3 and 54/40
1st number: 4 0/3, 2nd number: 1 14/40
12/3 + 54/40 is 107/20.
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,
54/40 = 54 × 3/40 × 3 = 162/120 - Add the two like fractions:
480/120 + 162/120 = 480 + 162/120 = 642/120 - 642/120 simplified gives 107/20
- So, 12/3 + 54/40 = 107/20
In mixed form: 57/20
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