Subtract 20/80 from 12/10
1st number: 1 2/10, 2nd number: 20/80
12/10 - 20/80 is 19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
12/10 = 12 × 8/10 × 8 = 96/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Subtract the two like fractions:
96/80 - 20/80 = 96 - 20/80 = 76/80 - After reducing the fraction, the answer is 19/20
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