Add 84/28 and 54/42
1st number: 3 0/28, 2nd number: 1 12/42
84/28 + 54/42 is 30/7.
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,
84/28 = 84 × 3/28 × 3 = 252/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
54/42 = 54 × 2/42 × 2 = 108/84 - Add the two like fractions:
252/84 + 108/84 = 252 + 108/84 = 360/84 - 360/84 simplified gives 30/7
- So, 84/28 + 54/42 = 30/7
In mixed form: 42/7
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