Subtract 72/10 from 18/2
1st number: 9 0/2, 2nd number: 7 2/10
18/2 - 72/10 is 9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
18/2 = 18 × 5/2 × 5 = 90/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
72/10 = 72 × 1/10 × 1 = 72/10 - Subtract the two like fractions:
90/10 - 72/10 = 90 - 72/10 = 18/10 - After reducing the fraction, the answer is 9/5
- In mixed form: 14/5
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