Subtract 42/36 from 20/75
1st number: 20/75, 2nd number: 1 6/36
20/75 - 42/36 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
20/75 = 20 × 12/75 × 12 = 240/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
42/36 = 42 × 25/36 × 25 = 1050/900 - Subtract the two like fractions:
240/900 - 1050/900 = 240 - 1050/900 = -810/900 - After reducing the fraction, the answer is -9/10
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