Subtract 27/40 from 30/48
30/48 - 27/40 is -1/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
30/48 = 30 × 5/48 × 5 = 150/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
27/40 = 27 × 6/40 × 6 = 162/240 - Subtract the two like fractions:
150/240 - 162/240 = 150 - 162/240 = -12/240 - After reducing the fraction, the answer is -1/20
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