Subtract 90/25 from 40/15
1st number: 2 10/15, 2nd number: 3 15/25
40/15 - 90/25 is -14/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
40/15 = 40 × 5/15 × 5 = 200/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
90/25 = 90 × 3/25 × 3 = 270/75 - Subtract the two like fractions:
200/75 - 270/75 = 200 - 270/75 = -70/75 - After reducing the fraction, the answer is -14/15
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