Subtract 63/28 from 72/12
1st number: 6 0/12, 2nd number: 2 7/28
72/12 - 63/28 is 15/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
72/12 = 72 × 7/12 × 7 = 504/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
63/28 = 63 × 3/28 × 3 = 189/84 - Subtract the two like fractions:
504/84 - 189/84 = 504 - 189/84 = 315/84 - After reducing the fraction, the answer is 15/4
- In mixed form: 33/4
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