Add 30/80 and 4/12
30/80 + 4/12 is 17/24.
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,
30/80 = 30 × 3/80 × 3 = 90/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
4/12 = 4 × 20/12 × 20 = 80/240 - Add the two like fractions:
90/240 + 80/240 = 90 + 80/240 = 170/240 - 170/240 simplified gives 17/24
- So, 30/80 + 4/12 = 17/24
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