Subtract 45/32 from 2/21
1st number: 2/21, 2nd number: 1 13/32
2/21 - 45/32 is -881/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
2/21 = 2 × 32/21 × 32 = 64/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
45/32 = 45 × 21/32 × 21 = 945/672 - Subtract the two like fractions:
64/672 - 945/672 = 64 - 945/672 = -881/672
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