Subtract 20/28 from 45/14
1st number: 3 3/14, 2nd number: 20/28
45/14 - 20/28 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
45/14 = 45 × 2/14 × 2 = 90/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
20/28 = 20 × 1/28 × 1 = 20/28 - Subtract the two like fractions:
90/28 - 20/28 = 90 - 20/28 = 70/28 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
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