Subtract 42/90 from 1/32
1/32 - 42/90 is -209/480.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
1/32 = 1 × 45/32 × 45 = 45/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
42/90 = 42 × 16/90 × 16 = 672/1440 - Subtract the two like fractions:
45/1440 - 672/1440 = 45 - 672/1440 = -627/1440 - After reducing the fraction, the answer is -209/480
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