Add 70/8 and 81/42
1st number: 8 6/8, 2nd number: 1 39/42
70/8 + 81/42 is 299/28.
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,
70/8 = 70 × 21/8 × 21 = 1470/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
81/42 = 81 × 4/42 × 4 = 324/168 - Add the two like fractions:
1470/168 + 324/168 = 1470 + 324/168 = 1794/168 - 1794/168 simplified gives 299/28
- So, 70/8 + 81/42 = 299/28
In mixed form: 1019/28
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