Subtract 20/50 from 42/2
1st number: 21 0/2, 2nd number: 20/50
42/2 - 20/50 is 103/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
42/2 = 42 × 25/2 × 25 = 1050/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
20/50 = 20 × 1/50 × 1 = 20/50 - Subtract the two like fractions:
1050/50 - 20/50 = 1050 - 20/50 = 1030/50 - After reducing the fraction, the answer is 103/5
- In mixed form: 203/5
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