Subtract 84/32 from 30/42
1st number: 30/42, 2nd number: 2 20/32
30/42 - 84/32 is -107/56.
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,
30/42 = 30 × 16/42 × 16 = 480/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
84/32 = 84 × 21/32 × 21 = 1764/672 - Subtract the two like fractions:
480/672 - 1764/672 = 480 - 1764/672 = -1284/672 - After reducing the fraction, the answer is -107/56
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