Subtract 18/12 from 72/10
1st number: 7 2/10, 2nd number: 1 6/12
72/10 - 18/12 is 57/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
72/10 = 72 × 6/10 × 6 = 432/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Subtract the two like fractions:
432/60 - 90/60 = 432 - 90/60 = 342/60 - After reducing the fraction, the answer is 57/10
- In mixed form: 57/10
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