Subtract 10/25 from 24/21, Solve 1 3/21

Subtract 10/25 from 24/21

1^st number: 1 3/21, 2^nd number: 10/25

24/21 - 10/25 is 26/35.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 21 × 25 = 525,
24/21 = 24 × 25/21 × 25 = 600/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
10/25 = 10 × 21/25 × 21 = 210/525
Subtract the two like fractions:
600/525 - 210/525 = 600 - 210/525 = 390/525
After reducing the fraction, the answer is 26/35

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