Subtract 30/90 from 40/25
1st number: 1 15/25, 2nd number: 30/90
40/25 - 30/90 is 19/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
40/25 = 40 × 18/25 × 18 = 720/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
30/90 = 30 × 5/90 × 5 = 150/450 - Subtract the two like fractions:
720/450 - 150/450 = 720 - 150/450 = 570/450 - After reducing the fraction, the answer is 19/15
- In mixed form: 14/15
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