Subtract 30/4 from 20/40
1st number: 20/40, 2nd number: 7 2/4
20/40 - 30/4 is -7/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
20/40 = 20 × 1/40 × 1 = 20/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
30/4 = 30 × 10/4 × 10 = 300/40 - Subtract the two like fractions:
20/40 - 300/40 = 20 - 300/40 = -280/40 - After reducing the fraction, the answer is -7/1
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