Subtract 4/7 from 54/18
1st number: 3 0/18, 2nd number: 4/7
54/18 - 4/7 is 17/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
54/18 = 54 × 7/18 × 7 = 378/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
4/7 = 4 × 18/7 × 18 = 72/126 - Subtract the two like fractions:
378/126 - 72/126 = 378 - 72/126 = 306/126 - After reducing the fraction, the answer is 17/7
- In mixed form: 23/7
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