Add 27/18 and 21/56
1st number: 1 9/18, 2nd number: 21/56
27/18 + 21/56 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
27/18 = 27 × 28/18 × 28 = 756/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Add the two like fractions:
756/504 + 189/504 = 756 + 189/504 = 945/504 - 945/504 simplified gives 15/8
- So, 27/18 + 21/56 = 15/8
In mixed form: 17/8
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