Subtract 42/49 from 72/12
1st number: 6 0/12, 2nd number: 42/49
72/12 - 42/49 is 36/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
72/12 = 72 × 49/12 × 49 = 3528/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
42/49 = 42 × 12/49 × 12 = 504/588 - Subtract the two like fractions:
3528/588 - 504/588 = 3528 - 504/588 = 3024/588 - After reducing the fraction, the answer is 36/7
- In mixed form: 51/7
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