Subtract 42/9 from 20/27
1st number: 20/27, 2nd number: 4 6/9
20/27 - 42/9 is -106/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
20/27 = 20 × 1/27 × 1 = 20/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
42/9 = 42 × 3/9 × 3 = 126/27 - Subtract the two like fractions:
20/27 - 126/27 = 20 - 126/27 = -106/27
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