Add 4/15 and 12/84
4/15 + 12/84 is 43/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
4/15 = 4 × 28/15 × 28 = 112/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
12/84 = 12 × 5/84 × 5 = 60/420 - Add the two like fractions:
112/420 + 60/420 = 112 + 60/420 = 172/420 - 172/420 simplified gives 43/105
- So, 4/15 + 12/84 = 43/105
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