Subtract 20/15 from 75/18
1st number: 4 3/18, 2nd number: 1 5/15
75/18 - 20/15 is 17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
75/18 = 75 × 5/18 × 5 = 375/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
20/15 = 20 × 6/15 × 6 = 120/90 - Subtract the two like fractions:
375/90 - 120/90 = 375 - 120/90 = 255/90 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
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