Subtract 72/45 from 20/2
1st number: 10 0/2, 2nd number: 1 27/45
20/2 - 72/45 is 42/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
20/2 = 20 × 45/2 × 45 = 900/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
72/45 = 72 × 2/45 × 2 = 144/90 - Subtract the two like fractions:
900/90 - 144/90 = 900 - 144/90 = 756/90 - After reducing the fraction, the answer is 42/5
- In mixed form: 82/5
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