Subtract 21/75 from 20/12
1st number: 1 8/12, 2nd number: 21/75
20/12 - 21/75 is 104/75.
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,
20/12 = 20 × 25/12 × 25 = 500/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
21/75 = 21 × 4/75 × 4 = 84/300 - Subtract the two like fractions:
500/300 - 84/300 = 500 - 84/300 = 416/300 - After reducing the fraction, the answer is 104/75
- In mixed form: 129/75
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