Subtract 30/7 from 40/14
1st number: 2 12/14, 2nd number: 4 2/7
40/14 - 30/7 is -10/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 14 × 1 = 14,
40/14 = 40 × 1/14 × 1 = 40/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
30/7 = 30 × 2/7 × 2 = 60/14 - Subtract the two like fractions:
40/14 - 60/14 = 40 - 60/14 = -20/14 - After reducing the fraction, the answer is -10/7
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