Add 84/70 and 9/84, Solve 1 14/70 + 9/84 as a fraction

Add 84/70 and 9/84

1^st number: 1 14/70, 2^nd number: 9/84

84/70 + 9/84 is 183/140.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 70 × 6 = 420,
84/70 = 84 × 6/70 × 6 = 504/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420
Add the two like fractions:
504/420 + 45/420 = 504 + 45/420 = 549/420
549/420 simplified gives 183/140
So, 84/70 + 9/84 = 183/140
In mixed form: 143/140

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