Add 3/12 and 40/80
3/12 + 40/80 is 3/4.
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,
3/12 = 3 × 20/12 × 20 = 60/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
40/80 = 40 × 3/80 × 3 = 120/240 - Add the two like fractions:
60/240 + 120/240 = 60 + 120/240 = 180/240 - 180/240 simplified gives 3/4
- So, 3/12 + 40/80 = 3/4
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