Subtract 21/75 from 40/20
1st number: 2 0/20, 2nd number: 21/75
40/20 - 21/75 is 43/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
40/20 = 40 × 15/20 × 15 = 600/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
21/75 = 21 × 4/75 × 4 = 84/300 - Subtract the two like fractions:
600/300 - 84/300 = 600 - 84/300 = 516/300 - After reducing the fraction, the answer is 43/25
- In mixed form: 118/25
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