Subtract 42/9 from 28/48
1st number: 28/48, 2nd number: 4 6/9
28/48 - 42/9 is -49/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
28/48 = 28 × 3/48 × 3 = 84/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
42/9 = 42 × 16/9 × 16 = 672/144 - Subtract the two like fractions:
84/144 - 672/144 = 84 - 672/144 = -588/144 - After reducing the fraction, the answer is -49/12
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