Subtract 20/6 from 27/40
1st number: 27/40, 2nd number: 3 2/6
27/40 - 20/6 is -319/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
20/6 = 20 × 20/6 × 20 = 400/120 - Subtract the two like fractions:
81/120 - 400/120 = 81 - 400/120 = -319/120
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