Add 20/21 and 1/75
20/21 + 1/75 is 169/175.
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,
20/21 = 20 × 25/21 × 25 = 500/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
1/75 = 1 × 7/75 × 7 = 7/525 - Add the two like fractions:
500/525 + 7/525 = 500 + 7/525 = 507/525 - 507/525 simplified gives 169/175
- So, 20/21 + 1/75 = 169/175
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