Add 12/4 and 80/45
1st number: 3 0/4, 2nd number: 1 35/45
12/4 + 80/45 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
12/4 = 12 × 45/4 × 45 = 540/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180 - Add the two like fractions:
540/180 + 320/180 = 540 + 320/180 = 860/180 - 860/180 simplified gives 43/9
- So, 12/4 + 80/45 = 43/9
In mixed form: 47/9
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