Subtract 90/25 from 12/30
1st number: 12/30, 2nd number: 3 15/25
12/30 - 90/25 is -16/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
12/30 = 12 × 5/30 × 5 = 60/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
90/25 = 90 × 6/25 × 6 = 540/150 - Subtract the two like fractions:
60/150 - 540/150 = 60 - 540/150 = -480/150 - After reducing the fraction, the answer is -16/5
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