Subtract 30/75 from 20/40
20/40 - 30/75 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
20/40 = 20 × 15/40 × 15 = 300/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
30/75 = 30 × 8/75 × 8 = 240/600 - Subtract the two like fractions:
300/600 - 240/600 = 300 - 240/600 = 60/600 - After reducing the fraction, the answer is 1/10
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