Subtract 72/50 from 45/90
1st number: 45/90, 2nd number: 1 22/50
45/90 - 72/50 is -47/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
45/90 = 45 × 5/90 × 5 = 225/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
72/50 = 72 × 9/50 × 9 = 648/450 - Subtract the two like fractions:
225/450 - 648/450 = 225 - 648/450 = -423/450 - After reducing the fraction, the answer is -47/50
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