Add 7/42 and 84/54
1st number: 7/42, 2nd number: 1 30/54
7/42 + 84/54 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
7/42 = 7 × 9/42 × 9 = 63/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
84/54 = 84 × 7/54 × 7 = 588/378 - Add the two like fractions:
63/378 + 588/378 = 63 + 588/378 = 651/378 - 651/378 simplified gives 31/18
- So, 7/42 + 84/54 = 31/18
In mixed form: 113/18
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