Subtract 80/42 from 60/27
1st number: 2 6/27, 2nd number: 1 38/42
60/27 - 80/42 is 20/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
60/27 = 60 × 14/27 × 14 = 840/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
80/42 = 80 × 9/42 × 9 = 720/378 - Subtract the two like fractions:
840/378 - 720/378 = 840 - 720/378 = 120/378 - After reducing the fraction, the answer is 20/63
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