Subtract 12/7 from 54/4
1st number: 13 2/4, 2nd number: 1 5/7
54/4 - 12/7 is 165/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
54/4 = 54 × 7/4 × 7 = 378/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
12/7 = 12 × 4/7 × 4 = 48/28 - Subtract the two like fractions:
378/28 - 48/28 = 378 - 48/28 = 330/28 - After reducing the fraction, the answer is 165/14
- In mixed form: 1111/14
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