Subtract 42/6 from 30/8
1st number: 3 6/8, 2nd number: 7 0/6
30/8 - 42/6 is -13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 6 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
30/8 = 30 × 3/8 × 3 = 90/24 - Likewise, for the 2nd fraction, since 6 × 4 = 24,
42/6 = 42 × 4/6 × 4 = 168/24 - Subtract the two like fractions:
90/24 - 168/24 = 90 - 168/24 = -78/24 - After reducing the fraction, the answer is -13/4
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