Subtract 30/20 from 12/10
1st number: 1 2/10, 2nd number: 1 10/20
12/10 - 30/20 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
12/10 = 12 × 2/10 × 2 = 24/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Subtract the two like fractions:
24/20 - 30/20 = 24 - 30/20 = -6/20 - After reducing the fraction, the answer is -3/10
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