Subtract 45/32 from 7/42
1st number: 7/42, 2nd number: 1 13/32
7/42 - 45/32 is -119/96.
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,
7/42 = 7 × 16/42 × 16 = 112/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
45/32 = 45 × 21/32 × 21 = 945/672 - Subtract the two like fractions:
112/672 - 945/672 = 112 - 945/672 = -833/672 - After reducing the fraction, the answer is -119/96
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