Add 30/21 and 10/75, Solve 1 9/21 + 10/75 as a fraction

Add 30/21 and 10/75

1^st number: 1 9/21, 2^nd number: 10/75

30/21 + 10/75 is 164/105.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 21 × 25 = 525,
30/21 = 30 × 25/21 × 25 = 750/525
Likewise, for the 2nd fraction, since 75 × 7 = 525,
10/75 = 10 × 7/75 × 7 = 70/525
Add the two like fractions:
750/525 + 70/525 = 750 + 70/525 = 820/525
820/525 simplified gives 164/105
So, 30/21 + 10/75 = 164/105
In mixed form: 159/105

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