Subtract 9/8 from 42/48
1st number: 42/48, 2nd number: 1 1/8
42/48 - 9/8 is -1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 8 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
42/48 = 42 × 1/48 × 1 = 42/48 - Likewise, for the 2nd fraction, since 8 × 6 = 48,
9/8 = 9 × 6/8 × 6 = 54/48 - Subtract the two like fractions:
42/48 - 54/48 = 42 - 54/48 = -12/48 - After reducing the fraction, the answer is -1/4
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