Subtract 7/9 from 20/48
20/48 - 7/9 is -13/36.
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,
20/48 = 20 × 3/48 × 3 = 60/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
7/9 = 7 × 16/9 × 16 = 112/144 - Subtract the two like fractions:
60/144 - 112/144 = 60 - 112/144 = -52/144 - After reducing the fraction, the answer is -13/36
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