Add 72/70 and 72/81, Solve 1 2/70 + 72/81 as a fraction

Add 72/70 and 72/81

1^st number: 1 2/70, 2^nd number: 72/81

72/70 + 72/81 is 604/315.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670

Next, find the equivalent fraction of both fractional numbers with denominator 5670
For the 1st fraction, since 70 × 81 = 5670,
72/70 = 72 × 81/70 × 81 = 5832/5670
Likewise, for the 2nd fraction, since 81 × 70 = 5670,
72/81 = 72 × 70/81 × 70 = 5040/5670
Add the two like fractions:
5832/5670 + 5040/5670 = 5832 + 5040/5670 = 10872/5670
10872/5670 simplified gives 604/315
So, 72/70 + 72/81 = 604/315
In mixed form: 1289/315

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