Subtract 45/25 from 63/90
1st number: 63/90, 2nd number: 1 20/25
63/90 - 45/25 is -11/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
63/90 = 63 × 5/90 × 5 = 315/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
45/25 = 45 × 18/25 × 18 = 810/450 - Subtract the two like fractions:
315/450 - 810/450 = 315 - 810/450 = -495/450 - After reducing the fraction, the answer is -11/10
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