Add 84/70 and 9/7
1st number: 1 14/70, 2nd number: 1 2/7
84/70 + 9/7 is 87/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
84/70 = 84 × 1/70 × 1 = 84/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
9/7 = 9 × 10/7 × 10 = 90/70 - Add the two like fractions:
84/70 + 90/70 = 84 + 90/70 = 174/70 - 174/70 simplified gives 87/35
- So, 84/70 + 9/7 = 87/35
In mixed form: 217/35
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