Add 18/54 and 6/7
18/54 + 6/7 is 25/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
18/54 = 18 × 7/54 × 7 = 126/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
6/7 = 6 × 54/7 × 54 = 324/378 - Add the two like fractions:
126/378 + 324/378 = 126 + 324/378 = 450/378 - 450/378 simplified gives 25/21
- So, 18/54 + 6/7 = 25/21
In mixed form: 14/21
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