Subtract 42/5 from 27/30
1st number: 27/30, 2nd number: 8 2/5
27/30 - 42/5 is -15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
27/30 = 27 × 1/30 × 1 = 27/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
42/5 = 42 × 6/5 × 6 = 252/30 - Subtract the two like fractions:
27/30 - 252/30 = 27 - 252/30 = -225/30 - After reducing the fraction, the answer is -15/2
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