Subtract 2/4 from 20/30
20/30 - 2/4 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
20/30 = 20 × 2/30 × 2 = 40/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
2/4 = 2 × 15/4 × 15 = 30/60 - Subtract the two like fractions:
40/60 - 30/60 = 40 - 30/60 = 10/60 - After reducing the fraction, the answer is 1/6
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