Subtract 42/48 from 3/9
3/9 - 42/48 is -13/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
3/9 = 3 × 16/9 × 16 = 48/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
42/48 = 42 × 3/48 × 3 = 126/144 - Subtract the two like fractions:
48/144 - 126/144 = 48 - 126/144 = -78/144 - After reducing the fraction, the answer is -13/24
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