Subtract 30/18 from 45/48
1st number: 45/48, 2nd number: 1 12/18
45/48 - 30/18 is -35/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
45/48 = 45 × 3/48 × 3 = 135/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
30/18 = 30 × 8/18 × 8 = 240/144 - Subtract the two like fractions:
135/144 - 240/144 = 135 - 240/144 = -105/144 - After reducing the fraction, the answer is -35/48
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