Subtract 12/7 from 40/2
1st number: 20 0/2, 2nd number: 1 5/7
40/2 - 12/7 is 128/7.
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,
40/2 = 40 × 7/2 × 7 = 280/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
12/7 = 12 × 2/7 × 2 = 24/14 - Subtract the two like fractions:
280/14 - 24/14 = 280 - 24/14 = 256/14 - After reducing the fraction, the answer is 128/7
- In mixed form: 182/7
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