Subtract 42/32 from 9/42
1st number: 9/42, 2nd number: 1 10/32
9/42 - 42/32 is -123/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
9/42 = 9 × 16/42 × 16 = 144/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
42/32 = 42 × 21/32 × 21 = 882/672 - Subtract the two like fractions:
144/672 - 882/672 = 144 - 882/672 = -738/672 - After reducing the fraction, the answer is -123/112
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