Subtract 40/18 from 50/45
1st number: 1 5/45, 2nd number: 2 4/18
50/45 - 40/18 is -10/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
50/45 = 50 × 2/45 × 2 = 100/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Subtract the two like fractions:
100/90 - 200/90 = 100 - 200/90 = -100/90 - After reducing the fraction, the answer is -10/9
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