Subtract 28/10 from 1/20
1st number: 1/20, 2nd number: 2 8/10
1/20 - 28/10 is -11/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
1/20 = 1 × 1/20 × 1 = 1/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
28/10 = 28 × 2/10 × 2 = 56/20 - Subtract the two like fractions:
1/20 - 56/20 = 1 - 56/20 = -55/20 - After reducing the fraction, the answer is -11/4
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