Subtract 30/20 from 1/15
1st number: 1/15, 2nd number: 1 10/20
1/15 - 30/20 is -43/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
1/15 = 1 × 4/15 × 4 = 4/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
30/20 = 30 × 3/20 × 3 = 90/60 - Subtract the two like fractions:
4/60 - 90/60 = 4 - 90/60 = -86/60 - After reducing the fraction, the answer is -43/30
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