Add 18/27 and 42/28
1st number: 18/27, 2nd number: 1 14/28
18/27 + 42/28 is 13/6.
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,
42/28 = 42 × 27/28 × 27 = 1134/756 - Add the two like fractions:
504/756 + 1134/756 = 504 + 1134/756 = 1638/756 - 1638/756 simplified gives 13/6
- So, 18/27 + 42/28 = 13/6
In mixed form: 21/6
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