Add 3/42 and 21/8
1st number: 3/42, 2nd number: 2 5/8
3/42 + 21/8 is 151/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
3/42 = 3 × 4/42 × 4 = 12/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
21/8 = 21 × 21/8 × 21 = 441/168 - Add the two like fractions:
12/168 + 441/168 = 12 + 441/168 = 453/168 - 453/168 simplified gives 151/56
- So, 3/42 + 21/8 = 151/56
In mixed form: 239/56
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