Subtract 20/10 from 15/45
1st number: 15/45, 2nd number: 2 0/10
15/45 - 20/10 is -5/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
20/10 = 20 × 9/10 × 9 = 180/90 - Subtract the two like fractions:
30/90 - 180/90 = 30 - 180/90 = -150/90 - After reducing the fraction, the answer is -5/3
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