Add 18/27 and 4/28
18/27 + 4/28 is 17/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
18/27 = 18 × 28/27 × 28 = 504/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
4/28 = 4 × 27/28 × 27 = 108/756 - Add the two like fractions:
504/756 + 108/756 = 504 + 108/756 = 612/756 - 612/756 simplified gives 17/21
- So, 18/27 + 4/28 = 17/21
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