Add 27/18 and 42/7
1st number: 1 9/18, 2nd number: 6 0/7
27/18 + 42/7 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
27/18 = 27 × 7/18 × 7 = 189/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
42/7 = 42 × 18/7 × 18 = 756/126 - Add the two like fractions:
189/126 + 756/126 = 189 + 756/126 = 945/126 - 945/126 simplified gives 15/2
- So, 27/18 + 42/7 = 15/2
In mixed form: 71/2
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