Add 27/54 and 28/63
27/54 + 28/63 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
27/54 = 27 × 7/54 × 7 = 189/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
28/63 = 28 × 6/63 × 6 = 168/378 - Add the two like fractions:
189/378 + 168/378 = 189 + 168/378 = 357/378 - 357/378 simplified gives 17/18
- So, 27/54 + 28/63 = 17/18
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