Subtract 54/21 from 45/32
1st number: 1 13/32, 2nd number: 2 12/21
45/32 - 54/21 is -261/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
45/32 = 45 × 21/32 × 21 = 945/672 - Likewise, for the 2nd fraction, since 21 × 32 = 672,
54/21 = 54 × 32/21 × 32 = 1728/672 - Subtract the two like fractions:
945/672 - 1728/672 = 945 - 1728/672 = -783/672 - After reducing the fraction, the answer is -261/224
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