Add 27/18 and 9/8
1st number: 1 9/18, 2nd number: 1 1/8
27/18 + 9/8 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
27/18 = 27 × 4/18 × 4 = 108/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
9/8 = 9 × 9/8 × 9 = 81/72 - Add the two like fractions:
108/72 + 81/72 = 108 + 81/72 = 189/72 - 189/72 simplified gives 21/8
- So, 27/18 + 9/8 = 21/8
In mixed form: 25/8
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