Subtract 3/60 from 20/40
20/40 - 3/60 is 9/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 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 60 × 2 = 120,
3/60 = 3 × 2/60 × 2 = 6/120 - Subtract the two like fractions:
60/120 - 6/120 = 60 - 6/120 = 54/120 - After reducing the fraction, the answer is 9/20
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