Add 27/3 and 90/42
1st number: 9 0/3, 2nd number: 2 6/42
27/3 + 90/42 is 78/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
27/3 = 27 × 14/3 × 14 = 378/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
90/42 = 90 × 1/42 × 1 = 90/42 - Add the two like fractions:
378/42 + 90/42 = 378 + 90/42 = 468/42 - 468/42 simplified gives 78/7
- So, 27/3 + 90/42 = 78/7
In mixed form: 111/7
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