Subtract 42/18 from 45/48
1st number: 45/48, 2nd number: 2 6/18
45/48 - 42/18 is -67/48.
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,
42/18 = 42 × 8/18 × 8 = 336/144 - Subtract the two like fractions:
135/144 - 336/144 = 135 - 336/144 = -201/144 - After reducing the fraction, the answer is -67/48
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