Subtract 75/54 from 10/20
1st number: 10/20, 2nd number: 1 21/54
10/20 - 75/54 is -8/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
10/20 = 10 × 27/20 × 27 = 270/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
75/54 = 75 × 10/54 × 10 = 750/540 - Subtract the two like fractions:
270/540 - 750/540 = 270 - 750/540 = -480/540 - After reducing the fraction, the answer is -8/9
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