Add 84/28 and 75/42
1st number: 3 0/28, 2nd number: 1 33/42
84/28 + 75/42 is 67/14.
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,
75/42 = 75 × 2/42 × 2 = 150/84 - Add the two like fractions:
252/84 + 150/84 = 252 + 150/84 = 402/84 - 402/84 simplified gives 67/14
- So, 84/28 + 75/42 = 67/14
In mixed form: 411/14
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