Subtract 42/30 from 8/6
1st number: 1 2/6, 2nd number: 1 12/30
8/6 - 42/30 is -1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
8/6 = 8 × 5/6 × 5 = 40/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Subtract the two like fractions:
40/30 - 42/30 = 40 - 42/30 = -2/30 - After reducing the fraction, the answer is -1/15
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