Subtract 45/18 from 42/24
1st number: 1 18/24, 2nd number: 2 9/18
42/24 - 45/18 is -3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
42/24 = 42 × 3/24 × 3 = 126/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
45/18 = 45 × 4/18 × 4 = 180/72 - Subtract the two like fractions:
126/72 - 180/72 = 126 - 180/72 = -54/72 - After reducing the fraction, the answer is -3/4
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