Subtract 42/14 from 4/8
1st number: 4/8, 2nd number: 3 0/14
4/8 - 42/14 is -5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
4/8 = 4 × 7/8 × 7 = 28/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
42/14 = 42 × 4/14 × 4 = 168/56 - Subtract the two like fractions:
28/56 - 168/56 = 28 - 168/56 = -140/56 - After reducing the fraction, the answer is -5/2
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