Subtract 50/25 from 15/21
1st number: 15/21, 2nd number: 2 0/25
15/21 - 50/25 is -9/7.
Steps for subtracting fractions
- 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,
15/21 = 15 × 25/21 × 25 = 375/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
50/25 = 50 × 21/25 × 21 = 1050/525 - Subtract the two like fractions:
375/525 - 1050/525 = 375 - 1050/525 = -675/525 - After reducing the fraction, the answer is -9/7
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