Subtract 28/90 from 8/48
8/48 - 28/90 is -13/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
8/48 = 8 × 15/48 × 15 = 120/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
28/90 = 28 × 8/90 × 8 = 224/720 - Subtract the two like fractions:
120/720 - 224/720 = 120 - 224/720 = -104/720 - After reducing the fraction, the answer is -13/90
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