Add 28/8 and 5/42
1st number: 3 4/8, 2nd number: 5/42
28/8 + 5/42 is 76/21.
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,
28/8 = 28 × 21/8 × 21 = 588/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
5/42 = 5 × 4/42 × 4 = 20/168 - Add the two like fractions:
588/168 + 20/168 = 588 + 20/168 = 608/168 - 608/168 simplified gives 76/21
- So, 28/8 + 5/42 = 76/21
In mixed form: 313/21
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