Subtract 42/16 from 20/8
1st number: 2 4/8, 2nd number: 2 10/16
20/8 - 42/16 is -1/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
20/8 = 20 × 2/8 × 2 = 40/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
42/16 = 42 × 1/16 × 1 = 42/16 - Subtract the two like fractions:
40/16 - 42/16 = 40 - 42/16 = -2/16 - After reducing the fraction, the answer is -1/8
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