Subtract 90/50 from 40/45
1st number: 40/45, 2nd number: 1 40/50
40/45 - 90/50 is -41/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
40/45 = 40 × 10/45 × 10 = 400/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
90/50 = 90 × 9/50 × 9 = 810/450 - Subtract the two like fractions:
400/450 - 810/450 = 400 - 810/450 = -410/450 - After reducing the fraction, the answer is -41/45
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