Add 27/4 and 28/42
1st number: 6 3/4, 2nd number: 28/42
27/4 + 28/42 is 89/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
27/4 = 27 × 21/4 × 21 = 567/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
28/42 = 28 × 2/42 × 2 = 56/84 - Add the two like fractions:
567/84 + 56/84 = 567 + 56/84 = 623/84 - 623/84 simplified gives 89/12
- So, 27/4 + 28/42 = 89/12
In mixed form: 75/12
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