Add 12/4 and 40/80
1st number: 3 0/4, 2nd number: 40/80
12/4 + 40/80 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
12/4 = 12 × 20/4 × 20 = 240/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
40/80 = 40 × 1/80 × 1 = 40/80 - Add the two like fractions:
240/80 + 40/80 = 240 + 40/80 = 280/80 - 280/80 simplified gives 7/2
- So, 12/4 + 40/80 = 7/2
In mixed form: 31/2
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