Subtract 20/32 from 4/49
4/49 - 20/32 is -213/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 32 is 1568
Next, find the equivalent fraction of both fractional numbers with denominator 1568 - For the 1st fraction, since 49 × 32 = 1568,
4/49 = 4 × 32/49 × 32 = 128/1568 - Likewise, for the 2nd fraction, since 32 × 49 = 1568,
20/32 = 20 × 49/32 × 49 = 980/1568 - Subtract the two like fractions:
128/1568 - 980/1568 = 128 - 980/1568 = -852/1568 - After reducing the fraction, the answer is -213/392
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