Subtract 45/75 from 20/12
1st number: 1 8/12, 2nd number: 45/75
20/12 - 45/75 is 16/15.
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,
45/75 = 45 × 4/75 × 4 = 180/300 - Subtract the two like fractions:
500/300 - 180/300 = 500 - 180/300 = 320/300 - After reducing the fraction, the answer is 16/15
- In mixed form: 11/15
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