Subtract 42/18 from 45/32
1st number: 1 13/32, 2nd number: 2 6/18
45/32 - 42/18 is -89/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 18 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
45/32 = 45 × 9/32 × 9 = 405/288 - Likewise, for the 2nd fraction, since 18 × 16 = 288,
42/18 = 42 × 16/18 × 16 = 672/288 - Subtract the two like fractions:
405/288 - 672/288 = 405 - 672/288 = -267/288 - After reducing the fraction, the answer is -89/96
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