Subtract 9/3 from 42/20
1st number: 2 2/20, 2nd number: 3 0/3
42/20 - 9/3 is -9/10.
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,
9/3 = 9 × 20/3 × 20 = 180/60 - Subtract the two like fractions:
126/60 - 180/60 = 126 - 180/60 = -54/60 - After reducing the fraction, the answer is -9/10
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