Add 28/56 and 21/27
28/56 + 21/27 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 27 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
28/56 = 28 × 27/56 × 27 = 756/1512 - Likewise, for the 2nd fraction, since 27 × 56 = 1512,
21/27 = 21 × 56/27 × 56 = 1176/1512 - Add the two like fractions:
756/1512 + 1176/1512 = 756 + 1176/1512 = 1932/1512 - 1932/1512 simplified gives 23/18
- So, 28/56 + 21/27 = 23/18
In mixed form: 15/18
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