Add 9/21 and 42/75
9/21 + 42/75 is 173/175.
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,
9/21 = 9 × 25/21 × 25 = 225/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
42/75 = 42 × 7/75 × 7 = 294/525 - Add the two like fractions:
225/525 + 294/525 = 225 + 294/525 = 519/525 - 519/525 simplified gives 173/175
- So, 9/21 + 42/75 = 173/175
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