Subtract 21/6 from 40/54
1st number: 40/54, 2nd number: 3 3/6
40/54 - 21/6 is -149/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
40/54 = 40 × 1/54 × 1 = 40/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
21/6 = 21 × 9/6 × 9 = 189/54 - Subtract the two like fractions:
40/54 - 189/54 = 40 - 189/54 = -149/54
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