Subtract 7/54 from 35/21
1st number: 1 14/21, 2nd number: 7/54
35/21 - 7/54 is 83/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
35/21 = 35 × 18/21 × 18 = 630/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
7/54 = 7 × 7/54 × 7 = 49/378 - Subtract the two like fractions:
630/378 - 49/378 = 630 - 49/378 = 581/378 - After reducing the fraction, the answer is 83/54
- In mixed form: 129/54
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