Add 75/70 and 84/9, Solve 1 5/70 + 9 3/9 as a fraction

Add 75/70 and 84/9

1^st number: 1 5/70, 2^nd number: 9 3/9

75/70 + 84/9 is 437/42.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
75/70 = 75 × 9/70 × 9 = 675/630
Likewise, for the 2nd fraction, since 9 × 70 = 630,
84/9 = 84 × 70/9 × 70 = 5880/630
Add the two like fractions:
675/630 + 5880/630 = 675 + 5880/630 = 6555/630
6555/630 simplified gives 437/42
So, 75/70 + 84/9 = 437/42
In mixed form: 1017/42

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