Subtract 42/81 from 2/60
2/60 - 42/81 is -131/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
2/60 = 2 × 27/60 × 27 = 54/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
42/81 = 42 × 20/81 × 20 = 840/1620 - Subtract the two like fractions:
54/1620 - 840/1620 = 54 - 840/1620 = -786/1620 - After reducing the fraction, the answer is -131/270
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