Subtract 20/28 from 40/14
1st number: 2 12/14, 2nd number: 20/28
40/14 - 20/28 is 15/7.
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,
40/14 = 40 × 2/14 × 2 = 80/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
20/28 = 20 × 1/28 × 1 = 20/28 - Subtract the two like fractions:
80/28 - 20/28 = 80 - 20/28 = 60/28 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
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