Subtract 45/30 from 20/25
1st number: 20/25, 2nd number: 1 15/30
20/25 - 45/30 is -7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
20/25 = 20 × 6/25 × 6 = 120/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
45/30 = 45 × 5/30 × 5 = 225/150 - Subtract the two like fractions:
120/150 - 225/150 = 120 - 225/150 = -105/150 - After reducing the fraction, the answer is -7/10
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