Subtract 20/54 from 40/16
1st number: 2 8/16, 2nd number: 20/54
40/16 - 20/54 is 115/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 16 × 27 = 432,
40/16 = 40 × 27/16 × 27 = 1080/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
20/54 = 20 × 8/54 × 8 = 160/432 - Subtract the two like fractions:
1080/432 - 160/432 = 1080 - 160/432 = 920/432 - After reducing the fraction, the answer is 115/54
- In mixed form: 27/54
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