Add 18/12 and 54/84
1st number: 1 6/12, 2nd number: 54/84
18/12 + 54/84 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
18/12 = 18 × 7/12 × 7 = 126/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
54/84 = 54 × 1/84 × 1 = 54/84 - Add the two like fractions:
126/84 + 54/84 = 126 + 54/84 = 180/84 - 180/84 simplified gives 15/7
- So, 18/12 + 54/84 = 15/7
In mixed form: 21/7
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