Subtract 28/9 from 42/48
1st number: 42/48, 2nd number: 3 1/9
42/48 - 28/9 is -161/72.
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,
42/48 = 42 × 3/48 × 3 = 126/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
28/9 = 28 × 16/9 × 16 = 448/144 - Subtract the two like fractions:
126/144 - 448/144 = 126 - 448/144 = -322/144 - After reducing the fraction, the answer is -161/72
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