Add 30/75 and 3/21
30/75 + 3/21 is 19/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
30/75 = 30 × 7/75 × 7 = 210/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
3/21 = 3 × 25/21 × 25 = 75/525 - Add the two like fractions:
210/525 + 75/525 = 210 + 75/525 = 285/525 - 285/525 simplified gives 19/35
- So, 30/75 + 3/21 = 19/35
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