Subtract 9/75 from 72/20
1st number: 3 12/20, 2nd number: 9/75
72/20 - 9/75 is 87/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
72/20 = 72 × 15/20 × 15 = 1080/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
9/75 = 9 × 4/75 × 4 = 36/300 - Subtract the two like fractions:
1080/300 - 36/300 = 1080 - 36/300 = 1044/300 - After reducing the fraction, the answer is 87/25
- In mixed form: 312/25
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