Subtract 1/21 from 45/32
1st number: 1 13/32, 2nd number: 1/21
45/32 - 1/21 is 913/672.
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,
1/21 = 1 × 32/21 × 32 = 32/672 - Subtract the two like fractions:
945/672 - 32/672 = 945 - 32/672 = 913/672 - In mixed form: 1241/672
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