Subtract 27/10 from 45/25
1st number: 1 20/25, 2nd number: 2 7/10
45/25 - 27/10 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
45/25 = 45 × 2/25 × 2 = 90/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
27/10 = 27 × 5/10 × 5 = 135/50 - Subtract the two like fractions:
90/50 - 135/50 = 90 - 135/50 = -45/50 - After reducing the fraction, the answer is -9/10
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