Subtract 63/9 from 7/2
1st number: 3 1/2, 2nd number: 7 0/9
72 - 639 is -72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
72 = 7 × 92 × 9 = 6318 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
639 = 63 × 29 × 2 = 12618 - Subtract the two like fractions:
6318 - 12618 = 63 - 12618 = -6318 - After reducing the fraction, the answer is -72
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