Add 27/18 and 54/7
1st number: 1 9/18, 2nd number: 7 5/7
27/18 + 54/7 is 129/14.
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,
54/7 = 54 × 18/7 × 18 = 972/126 - Add the two like fractions:
189/126 + 972/126 = 189 + 972/126 = 1161/126 - 1161/126 simplified gives 129/14
- So, 27/18 + 54/7 = 129/14
In mixed form: 93/14
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