Subtract 45/50 from 21/24
21/24 - 45/50 is -1/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 50 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 24 × 25 = 600,
21/24 = 21 × 25/24 × 25 = 525/600 - Likewise, for the 2nd fraction, since 50 × 12 = 600,
45/50 = 45 × 12/50 × 12 = 540/600 - Subtract the two like fractions:
525/600 - 540/600 = 525 - 540/600 = -15/600 - After reducing the fraction, the answer is -1/40
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