Subtract 40/20 from 48/27
1st number: 1 21/27, 2nd number: 2 0/20
48/27 - 40/20 is -2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
48/27 = 48 × 20/27 × 20 = 960/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
40/20 = 40 × 27/20 × 27 = 1080/540 - Subtract the two like fractions:
960/540 - 1080/540 = 960 - 1080/540 = -120/540 - After reducing the fraction, the answer is -2/9
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