Add 54/28 and 9/42
1st number: 1 26/28, 2nd number: 9/42
54/28 + 9/42 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
54/28 = 54 × 3/28 × 3 = 162/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
9/42 = 9 × 2/42 × 2 = 18/84 - Add the two like fractions:
162/84 + 18/84 = 162 + 18/84 = 180/84 - 180/84 simplified gives 15/7
- So, 54/28 + 9/42 = 15/7
In mixed form: 21/7
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