Subtract 20/5 from 75/54
1st number: 1 21/54, 2nd number: 4 0/5
75/54 - 20/5 is -47/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
75/54 = 75 × 5/54 × 5 = 375/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
20/5 = 20 × 54/5 × 54 = 1080/270 - Subtract the two like fractions:
375/270 - 1080/270 = 375 - 1080/270 = -705/270 - After reducing the fraction, the answer is -47/18
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