Subtract 10/30 from 20/40
20/40 - 10/30 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
20/40 = 20 × 3/40 × 3 = 60/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
10/30 = 10 × 4/30 × 4 = 40/120 - Subtract the two like fractions:
60/120 - 40/120 = 60 - 40/120 = 20/120 - After reducing the fraction, the answer is 1/6
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