Add 70/84 and 8/42
70/84 + 8/42 is 43/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
70/84 = 70 × 1/84 × 1 = 70/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
8/42 = 8 × 2/42 × 2 = 16/84 - Add the two like fractions:
70/84 + 16/84 = 70 + 16/84 = 86/84 - 86/84 simplified gives 43/42
- So, 70/84 + 8/42 = 43/42
In mixed form: 11/42
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