Add 12/30 and 20/84
12/30 + 20/84 is 67/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
12/30 = 12 × 14/30 × 14 = 168/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
20/84 = 20 × 5/84 × 5 = 100/420 - Add the two like fractions:
168/420 + 100/420 = 168 + 100/420 = 268/420 - 268/420 simplified gives 67/105
- So, 12/30 + 20/84 = 67/105
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