Subtract 30/25 from 45/20
1st number: 2 5/20, 2nd number: 1 5/25
45/20 - 30/25 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
45/20 = 45 × 5/20 × 5 = 225/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
30/25 = 30 × 4/25 × 4 = 120/100 - Subtract the two like fractions:
225/100 - 120/100 = 225 - 120/100 = 105/100 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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