Subtract 4/42 from 1/32
1/32 - 4/42 is -43/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
1/32 = 1 × 21/32 × 21 = 21/672 - Likewise, for the 2nd fraction, since 42 × 16 = 672,
4/42 = 4 × 16/42 × 16 = 64/672 - Subtract the two like fractions:
21/672 - 64/672 = 21 - 64/672 = -43/672
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