Add 18/54 and 40/14
1st number: 18/54, 2nd number: 2 12/14
18/54 + 40/14 is 67/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 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 14 × 27 = 378,
40/14 = 40 × 27/14 × 27 = 1080/378 - Add the two like fractions:
126/378 + 1080/378 = 126 + 1080/378 = 1206/378 - 1206/378 simplified gives 67/21
- So, 18/54 + 40/14 = 67/21
In mixed form: 34/21
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