Add 45/12 and 28/80
1st number: 3 9/12, 2nd number: 28/80
45/12 + 28/80 is 41/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
45/12 = 45 × 20/12 × 20 = 900/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Add the two like fractions:
900/240 + 84/240 = 900 + 84/240 = 984/240 - 984/240 simplified gives 41/10
- So, 45/12 + 28/80 = 41/10
In mixed form: 41/10
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