Add 84/8 and 1/42
1st number: 10 4/8, 2nd number: 1/42
84/8 + 1/42 is 221/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
84/8 = 84 × 21/8 × 21 = 1764/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
1/42 = 1 × 4/42 × 4 = 4/168 - Add the two like fractions:
1764/168 + 4/168 = 1764 + 4/168 = 1768/168 - 1768/168 simplified gives 221/21
- So, 84/8 + 1/42 = 221/21
In mixed form: 1011/21
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