Add 21/75 and 35/10, Solve 21/75 + 3 5/10 as a fraction

Add 21/75 and 35/10

1^st number: 21/75, 2^nd number: 3 5/10

21/75 + 35/10 is 189/50.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150
Likewise, for the 2nd fraction, since 10 × 15 = 150,
35/10 = 35 × 15/10 × 15 = 525/150
Add the two like fractions:
42/150 + 525/150 = 42 + 525/150 = 567/150
567/150 simplified gives 189/50
So, 21/75 + 35/10 = 189/50
In mixed form: 339/50

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