Subtract 20/27 from 30/4
1st number: 7 2/4, 2nd number: 20/27
30/4 - 20/27 is 365/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
30/4 = 30 × 27/4 × 27 = 810/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
20/27 = 20 × 4/27 × 4 = 80/108 - Subtract the two like fractions:
810/108 - 80/108 = 810 - 80/108 = 730/108 - After reducing the fraction, the answer is 365/54
- In mixed form: 641/54
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