Subtract 30/45 from 18/48
18/48 - 30/45 is -7/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
18/48 = 18 × 15/48 × 15 = 270/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
30/45 = 30 × 16/45 × 16 = 480/720 - Subtract the two like fractions:
270/720 - 480/720 = 270 - 480/720 = -210/720 - After reducing the fraction, the answer is -7/24
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