Add 28/8 and 70/42
1st number: 3 4/8, 2nd number: 1 28/42
28/8 + 70/42 is 31/6.
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,
70/42 = 70 × 4/42 × 4 = 280/168 - Add the two like fractions:
588/168 + 280/168 = 588 + 280/168 = 868/168 - 868/168 simplified gives 31/6
- So, 28/8 + 70/42 = 31/6
In mixed form: 51/6
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