Add 12/21 and 35/75
12/21 + 35/75 is 109/105.
Steps for adding fractions
- 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,
12/21 = 12 × 25/21 × 25 = 300/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
35/75 = 35 × 7/75 × 7 = 245/525 - Add the two like fractions:
300/525 + 245/525 = 300 + 245/525 = 545/525 - 545/525 simplified gives 109/105
- So, 12/21 + 35/75 = 109/105
In mixed form: 14/105
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