Subtract 42/8 from 20/25
1st number: 20/25, 2nd number: 5 2/8
20/25 - 42/8 is -89/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
20/25 = 20 × 8/25 × 8 = 160/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
42/8 = 42 × 25/8 × 25 = 1050/200 - Subtract the two like fractions:
160/200 - 1050/200 = 160 - 1050/200 = -890/200 - After reducing the fraction, the answer is -89/20
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