Subtract 30/54 from 72/7
1st number: 10 2/7, 2nd number: 30/54
72/7 - 30/54 is 613/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
72/7 = 72 × 54/7 × 54 = 3888/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
30/54 = 30 × 7/54 × 7 = 210/378 - Subtract the two like fractions:
3888/378 - 210/378 = 3888 - 210/378 = 3678/378 - After reducing the fraction, the answer is 613/63
- In mixed form: 946/63
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