Subtract 45/90 from 40/10
1st number: 4 0/10, 2nd number: 45/90
40/10 - 45/90 is 7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
40/10 = 40 × 9/10 × 9 = 360/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
45/90 = 45 × 1/90 × 1 = 45/90 - Subtract the two like fractions:
360/90 - 45/90 = 360 - 45/90 = 315/90 - After reducing the fraction, the answer is 7/2
- In mixed form: 31/2
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