Subtract 42/8 from 20/2
1st number: 10 0/2, 2nd number: 5 2/8
20/2 - 42/8 is 19/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
20/2 = 20 × 4/2 × 4 = 80/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
42/8 = 42 × 1/8 × 1 = 42/8 - Subtract the two like fractions:
80/8 - 42/8 = 80 - 42/8 = 38/8 - After reducing the fraction, the answer is 19/4
- In mixed form: 43/4
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