Add 10/42 and 12/27
10/42 + 12/27 is 43/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
10/42 = 10 × 9/42 × 9 = 90/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
12/27 = 12 × 14/27 × 14 = 168/378 - Add the two like fractions:
90/378 + 168/378 = 90 + 168/378 = 258/378 - 258/378 simplified gives 43/63
- So, 10/42 + 12/27 = 43/63
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