Subtract 27/30 from 40/48
40/48 - 27/30 is -1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
40/48 = 40 × 5/48 × 5 = 200/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
27/30 = 27 × 8/30 × 8 = 216/240 - Subtract the two like fractions:
200/240 - 216/240 = 200 - 216/240 = -16/240 - After reducing the fraction, the answer is -1/15
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