Add 45/12 and 30/80
1st number: 3 9/12, 2nd number: 30/80
45/12 + 30/80 is 33/8.
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,
30/80 = 30 × 3/80 × 3 = 90/240 - Add the two like fractions:
900/240 + 90/240 = 900 + 90/240 = 990/240 - 990/240 simplified gives 33/8
- So, 45/12 + 30/80 = 33/8
In mixed form: 41/8
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