Add 15/27 and 8/42
15/27 + 8/42 is 47/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
15/27 = 15 × 14/27 × 14 = 210/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
8/42 = 8 × 9/42 × 9 = 72/378 - Add the two like fractions:
210/378 + 72/378 = 210 + 72/378 = 282/378 - 282/378 simplified gives 47/63
- So, 15/27 + 8/42 = 47/63
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