Subtract 21/6 from 45/14
1st number: 3 3/14, 2nd number: 3 3/6
45/14 - 21/6 is -2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
45/14 = 45 × 3/14 × 3 = 135/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
21/6 = 21 × 7/6 × 7 = 147/42 - Subtract the two like fractions:
135/42 - 147/42 = 135 - 147/42 = -12/42 - After reducing the fraction, the answer is -2/7
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