Subtract 42/21 from 4/75
1st number: 4/75, 2nd number: 2 0/21
4/75 - 42/21 is -146/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
4/75 = 4 × 7/75 × 7 = 28/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
42/21 = 42 × 25/21 × 25 = 1050/525 - Subtract the two like fractions:
28/525 - 1050/525 = 28 - 1050/525 = -1022/525 - After reducing the fraction, the answer is -146/75
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