Subtract 45/8 from 42/14
1st number: 3 0/14, 2nd number: 5 5/8
42/14 - 45/8 is -21/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
42/14 = 42 × 4/14 × 4 = 168/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
45/8 = 45 × 7/8 × 7 = 315/56 - Subtract the two like fractions:
168/56 - 315/56 = 168 - 315/56 = -147/56 - After reducing the fraction, the answer is -21/8
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