Add 12/21 and 70/25, Solve 12/21 + 2 20/25 as a fraction

Add 12/21 and 70/25

1^st number: 12/21, 2^nd number: 2 20/25

12/21 + 70/25 is 118/35.

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,
12/21 = 12 × 25/21 × 25 = 300/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
70/25 = 70 × 21/25 × 21 = 1470/525
Add the two like fractions:
300/525 + 1470/525 = 300 + 1470/525 = 1770/525
1770/525 simplified gives 118/35
So, 12/21 + 70/25 = 118/35
In mixed form: 313/35

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