Add 3/12 and 75/42
1st number: 3/12, 2nd number: 1 33/42
3/12 + 75/42 is 57/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
3/12 = 3 × 7/12 × 7 = 21/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
75/42 = 75 × 2/42 × 2 = 150/84 - Add the two like fractions:
21/84 + 150/84 = 21 + 150/84 = 171/84 - 171/84 simplified gives 57/28
- So, 3/12 + 75/42 = 57/28
In mixed form: 21/28
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