Subtract 42/90 from 30/25
1st number: 1 5/25, 2nd number: 42/90
30/25 - 42/90 is 11/15.
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,
30/25 = 30 × 18/25 × 18 = 540/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
42/90 = 42 × 5/90 × 5 = 210/450 - Subtract the two like fractions:
540/450 - 210/450 = 540 - 210/450 = 330/450 - After reducing the fraction, the answer is 11/15
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