Subtract 4/40 from 48/81
48/81 - 4/40 is 133/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 40 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 81 × 40 = 3240,
48/81 = 48 × 40/81 × 40 = 1920/3240 - Likewise, for the 2nd fraction, since 40 × 81 = 3240,
4/40 = 4 × 81/40 × 81 = 324/3240 - Subtract the two like fractions:
1920/3240 - 324/3240 = 1920 - 324/3240 = 1596/3240 - After reducing the fraction, the answer is 133/270
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