Add 7/42 and 9/4
1st number: 7/42, 2nd number: 2 1/4
7/42 + 9/4 is 29/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
7/42 = 7 × 2/42 × 2 = 14/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
9/4 = 9 × 21/4 × 21 = 189/84 - Add the two like fractions:
14/84 + 189/84 = 14 + 189/84 = 203/84 - 203/84 simplified gives 29/12
- So, 7/42 + 9/4 = 29/12
In mixed form: 25/12
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