Add 70/21 and 8/75, Solve 3 7/21 + 8/75 as a fraction

Add 70/21 and 8/75

1^st number: 3 7/21, 2^nd number: 8/75

70/21 + 8/75 is 86/25.

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,
70/21 = 70 × 25/21 × 25 = 1750/525
Likewise, for the 2nd fraction, since 75 × 7 = 525,
8/75 = 8 × 7/75 × 7 = 56/525
Add the two like fractions:
1750/525 + 56/525 = 1750 + 56/525 = 1806/525
1806/525 simplified gives 86/25
So, 70/21 + 8/75 = 86/25
In mixed form: 311/25

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