Subtract 25/50 from 40/20
1st number: 2 0/20, 2nd number: 25/50
40/20 - 25/50 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
40/20 = 40 × 5/20 × 5 = 200/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
25/50 = 25 × 2/50 × 2 = 50/100 - Subtract the two like fractions:
200/100 - 50/100 = 200 - 50/100 = 150/100 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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