Subtract 20/54 from 72/20
1st number: 3 12/20, 2nd number: 20/54
72/20 - 20/54 is 436/135.
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,
72/20 = 72 × 27/20 × 27 = 1944/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
20/54 = 20 × 10/54 × 10 = 200/540 - Subtract the two like fractions:
1944/540 - 200/540 = 1944 - 200/540 = 1744/540 - After reducing the fraction, the answer is 436/135
- In mixed form: 331/135
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