Subtract 18/75 from 21/12
1st number: 1 9/12, 2nd number: 18/75
21/12 - 18/75 is 151/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
18/75 = 18 × 4/75 × 4 = 72/300 - Subtract the two like fractions:
525/300 - 72/300 = 525 - 72/300 = 453/300 - After reducing the fraction, the answer is 151/100
- In mixed form: 151/100
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