Subtract 72/5 from 75/45
1st number: 1 30/45, 2nd number: 14 2/5
75/45 - 72/5 is -191/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
75/45 = 75 × 1/45 × 1 = 75/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
72/5 = 72 × 9/5 × 9 = 648/45 - Subtract the two like fractions:
75/45 - 648/45 = 75 - 648/45 = -573/45 - After reducing the fraction, the answer is -191/15
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