Subtract 20/10 from 72/20
1st number: 3 12/20, 2nd number: 2 0/10
72/20 - 20/10 is 8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
72/20 = 72 × 1/20 × 1 = 72/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
20/10 = 20 × 2/10 × 2 = 40/20 - Subtract the two like fractions:
72/20 - 40/20 = 72 - 40/20 = 32/20 - After reducing the fraction, the answer is 8/5
- In mixed form: 13/5
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