Add 7/42 and 42/18
1st number: 7/42, 2nd number: 2 6/18
7/42 + 42/18 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
7/42 = 7 × 3/42 × 3 = 21/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
42/18 = 42 × 7/18 × 7 = 294/126 - Add the two like fractions:
21/126 + 294/126 = 21 + 294/126 = 315/126 - 315/126 simplified gives 5/2
- So, 7/42 + 42/18 = 5/2
In mixed form: 21/2
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