Subtract 40/4 from 63/18
1st number: 3 9/18, 2nd number: 10 0/4
63/18 - 40/4 is -13/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
63/18 = 63 × 2/18 × 2 = 126/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
40/4 = 40 × 9/4 × 9 = 360/36 - Subtract the two like fractions:
126/36 - 360/36 = 126 - 360/36 = -234/36 - After reducing the fraction, the answer is -13/2
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