Subtract 27/3 from 42/20
1st number: 2 2/20, 2nd number: 9 0/3
42/20 - 27/3 is -69/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
27/3 = 27 × 20/3 × 20 = 540/60 - Subtract the two like fractions:
126/60 - 540/60 = 126 - 540/60 = -414/60 - After reducing the fraction, the answer is -69/10
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