Subtract 90/9 from 81/48
1st number: 1 33/48, 2nd number: 10 0/9
81/48 - 90/9 is -133/16.
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,
81/48 = 81 × 3/48 × 3 = 243/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
90/9 = 90 × 16/9 × 16 = 1440/144 - Subtract the two like fractions:
243/144 - 1440/144 = 243 - 1440/144 = -1197/144 - After reducing the fraction, the answer is -133/16
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