Add 70/84 and 80/42
1st number: 70/84, 2nd number: 1 38/42
70/84 + 80/42 is 115/42.
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,
80/42 = 80 × 2/42 × 2 = 160/84 - Add the two like fractions:
70/84 + 160/84 = 70 + 160/84 = 230/84 - 230/84 simplified gives 115/42
- So, 70/84 + 80/42 = 115/42
In mixed form: 231/42
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Related: 70/84+80/84