Add 10/75 and 5/21, Solve 10/75 + 5/21 as a fraction

Add 10/75 and 5/21

10/75 + 5/21 is 13/35.

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

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 75 × 7 = 525,
10/75 = 10 × 7/75 × 7 = 70/525
Likewise, for the 2nd fraction, since 21 × 25 = 525,
5/21 = 5 × 25/21 × 25 = 125/525
Add the two like fractions:
70/525 + 125/525 = 70 + 125/525 = 195/525
195/525 simplified gives 13/35
So, 10/75 + 5/21 = 13/35

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