Subtract 45/4 from 21/24
1st number: 21/24, 2nd number: 11 1/4
21/24 - 45/4 is -83/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 4 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Likewise, for the 2nd fraction, since 4 × 6 = 24,
45/4 = 45 × 6/4 × 6 = 270/24 - Subtract the two like fractions:
21/24 - 270/24 = 21 - 270/24 = -249/24 - After reducing the fraction, the answer is -83/8
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