Subtract 40/27 from 21/6
1st number: 3 3/6, 2nd number: 1 13/27
21/6 - 40/27 is 109/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
21/6 = 21 × 9/6 × 9 = 189/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
40/27 = 40 × 2/27 × 2 = 80/54 - Subtract the two like fractions:
189/54 - 80/54 = 189 - 80/54 = 109/54 - In mixed form: 21/54
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