Subtract 50/32 from 40/42
1st number: 40/42, 2nd number: 1 18/32
40/42 - 50/32 is -205/336.
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,
40/42 = 40 × 16/42 × 16 = 640/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
50/32 = 50 × 21/32 × 21 = 1050/672 - Subtract the two like fractions:
640/672 - 1050/672 = 640 - 1050/672 = -410/672 - After reducing the fraction, the answer is -205/336
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