Subtract 42/54 from 35/20
1st number: 1 15/20, 2nd number: 42/54
35/20 - 42/54 is 35/36.
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,
35/20 = 35 × 27/20 × 27 = 945/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
42/54 = 42 × 10/54 × 10 = 420/540 - Subtract the two like fractions:
945/540 - 420/540 = 945 - 420/540 = 525/540 - After reducing the fraction, the answer is 35/36
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