Subtract 20/50 from 42/5
1st number: 8 2/5, 2nd number: 20/50
42/5 - 20/50 is 8/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 5 × 10 = 50,
42/5 = 42 × 10/5 × 10 = 420/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
20/50 = 20 × 1/50 × 1 = 20/50 - Subtract the two like fractions:
420/50 - 20/50 = 420 - 20/50 = 400/50 - After reducing the fraction, the answer is 8/1
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