Add 12/84 and 8/15
12/84 + 8/15 is 71/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
12/84 = 12 × 5/84 × 5 = 60/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
8/15 = 8 × 28/15 × 28 = 224/420 - Add the two like fractions:
60/420 + 224/420 = 60 + 224/420 = 284/420 - 284/420 simplified gives 71/105
- So, 12/84 + 8/15 = 71/105
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