Add 12/80 and 20/12
1st number: 12/80, 2nd number: 1 8/12
12/80 + 20/12 is 109/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
12/80 = 12 × 3/80 × 3 = 36/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
20/12 = 20 × 20/12 × 20 = 400/240 - Add the two like fractions:
36/240 + 400/240 = 36 + 400/240 = 436/240 - 436/240 simplified gives 109/60
- So, 12/80 + 20/12 = 109/60
In mixed form: 149/60
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