Subtract 63/3 from 72/4
1st number: 18 0/4, 2nd number: 21 0/3
72/4 - 63/3 is -3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
72/4 = 72 × 3/4 × 3 = 216/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
63/3 = 63 × 4/3 × 4 = 252/12 - Subtract the two like fractions:
216/12 - 252/12 = 216 - 252/12 = -36/12 - After reducing the fraction, the answer is -3/1
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