Subtract 20/16 from 42/75
1st number: 42/75, 2nd number: 1 4/16
42/75 - 20/16 is -69/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
42/75 = 42 × 16/75 × 16 = 672/1200 - Likewise, for the 2nd fraction, since 16 × 75 = 1200,
20/16 = 20 × 75/16 × 75 = 1500/1200 - Subtract the two like fractions:
672/1200 - 1500/1200 = 672 - 1500/1200 = -828/1200 - After reducing the fraction, the answer is -69/100
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