Subtract 20/7 from 10/2
1st number: 5 0/2, 2nd number: 2 6/7
10/2 - 20/7 is 15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
10/2 = 10 × 7/2 × 7 = 70/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
20/7 = 20 × 2/7 × 2 = 40/14 - Subtract the two like fractions:
70/14 - 40/14 = 70 - 40/14 = 30/14 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
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