Add 80/84 and 70/42
1st number: 80/84, 2nd number: 1 28/42
80/84 + 70/42 is 55/21.
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,
80/84 = 80 × 1/84 × 1 = 80/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
70/42 = 70 × 2/42 × 2 = 140/84 - Add the two like fractions:
80/84 + 140/84 = 80 + 140/84 = 220/84 - 220/84 simplified gives 55/21
- So, 80/84 + 70/42 = 55/21
In mixed form: 213/21
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Related: 80/84+70/84