Add 28/42 and 7/12
28/42 + 7/12 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
28/42 = 28 × 2/42 × 2 = 56/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
7/12 = 7 × 7/12 × 7 = 49/84 - Add the two like fractions:
56/84 + 49/84 = 56 + 49/84 = 105/84 - 105/84 simplified gives 5/4
- So, 28/42 + 7/12 = 5/4
In mixed form: 11/4
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