Add 42/21 and 35/25, Solve 2 0/21 + 1 10/25 as a fraction

Add 42/21 and 35/25

1^st number: 2 0/21, 2^nd number: 1 10/25

42/21 + 35/25 is 17/5.

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,
42/21 = 42 × 25/21 × 25 = 1050/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
35/25 = 35 × 21/25 × 21 = 735/525
Add the two like fractions:
1050/525 + 735/525 = 1050 + 735/525 = 1785/525
1785/525 simplified gives 17/5
So, 42/21 + 35/25 = 17/5
In mixed form: 32/5

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