Subtract 30/10 from 90/45
1st number: 2 0/45, 2nd number: 3 0/10
90/45 - 30/10 is -1/1.
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,
90/45 = 90 × 2/45 × 2 = 180/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Subtract the two like fractions:
180/90 - 270/90 = 180 - 270/90 = -90/90 - After reducing the fraction, the answer is -1/1
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