Add 30/21 and 10/25, Solve 1 9/21 + 10/25 as a fraction

Add 30/21 and 10/25

1^st number: 1 9/21, 2^nd number: 10/25

30/21 + 10/25 is 64/35.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 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 25 × 21 = 525,
10/25 = 10 × 21/25 × 21 = 210/525
Add the two like fractions:
750/525 + 210/525 = 750 + 210/525 = 960/525
960/525 simplified gives 64/35
So, 30/21 + 10/25 = 64/35
In mixed form: 129/35

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