Add 40/80 and 20/12
1st number: 40/80, 2nd number: 1 8/12
40/80 + 20/12 is 13/6.
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,
40/80 = 40 × 3/80 × 3 = 120/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
20/12 = 20 × 20/12 × 20 = 400/240 - Add the two like fractions:
120/240 + 400/240 = 120 + 400/240 = 520/240 - 520/240 simplified gives 13/6
- So, 40/80 + 20/12 = 13/6
In mixed form: 21/6
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