Subtract 45/18 from 40/4
1st number: 10 0/4, 2nd number: 2 9/18
40/4 - 45/18 is 15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
40/4 = 40 × 9/4 × 9 = 360/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
45/18 = 45 × 2/18 × 2 = 90/36 - Subtract the two like fractions:
360/36 - 90/36 = 360 - 90/36 = 270/36 - After reducing the fraction, the answer is 15/2
- In mixed form: 71/2
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