Add 27/28 and 12/42
27/28 + 12/42 is 5/4.
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,
27/28 = 27 × 3/28 × 3 = 81/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
12/42 = 12 × 2/42 × 2 = 24/84 - Add the two like fractions:
81/84 + 24/84 = 81 + 24/84 = 105/84 - 105/84 simplified gives 5/4
- So, 27/28 + 12/42 = 5/4
In mixed form: 11/4
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