Subtract 18/48 from 28/80
28/80 - 18/48 is -1/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
18/48 = 18 × 5/48 × 5 = 90/240 - Subtract the two like fractions:
84/240 - 90/240 = 84 - 90/240 = -6/240 - After reducing the fraction, the answer is -1/40
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