Add 5/21 and 20/75
5/21 + 20/75 is 53/105.
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,
5/21 = 5 × 25/21 × 25 = 125/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
20/75 = 20 × 7/75 × 7 = 140/525 - Add the two like fractions:
125/525 + 140/525 = 125 + 140/525 = 265/525 - 265/525 simplified gives 53/105
- So, 5/21 + 20/75 = 53/105
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