Subtract 8/18 from 72/45
1st number: 1 27/45, 2nd number: 8/18
72/45 - 8/18 is 52/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
72/45 = 72 × 2/45 × 2 = 144/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
8/18 = 8 × 5/18 × 5 = 40/90 - Subtract the two like fractions:
144/90 - 40/90 = 144 - 40/90 = 104/90 - After reducing the fraction, the answer is 52/45
- In mixed form: 17/45
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